Dtmf modes. Click on Menu. DTMF Operation DTMF (Dual Tone Multi Frequencies) are the tone signals sent to make telephone calls, or control repeaters and network links. DTMF is used in push-button telephones for tone dialing. Upgrading your DR-1X to the DR-2X will provide continued use of conventional FM communication while This Android app will give you a 16 tone DTMF (Dual-tone multi-frequency) keypad, the ability to generate custom DTMF sequences, set the duration and tone/silence ratio, and to encode CTCSS / PL tones. DTMF keypads were responsible for replacing the rotary dialers on telephones. Jan 18, 2021 · On the radio, navigate to the channel you want to transmit that tone or tones. Relay Name: give a name to the relay if needed. The technology was first introduced in the 1960s and has since become widely used in telephony, radio communication, and other applications. Jun 15, 2010 · One example of using DTMF for repeater control is this. Oct 23, 2023 · Default: The global setting of DTMF mode will be used. Mode 2: All four relays are momentary. 3. Revive Code: When this command is received, the UV-5X3 will be revived from the “Killed mode” or “Stunned Mode”. Step 3. full => notice,warning,error,debug,verbose,dtmf,fax. DTMF就是双音多频，我们日常生活中拨打电话的过程中经常会用到，如拨打用户的分机号码，输入帐号和密码等。. Note: This command does not apply to Call Queues. Then select Book List and you'll see the item you saved earlier in the address book. Nowadays, DTMF tones are the dominant signalling protocol for interacting with the telephone system or with automated telephone services. A low enables DTMF send and receive mode. You can control voice and DTMF configuration for each slot separately for the initial prompt and each retry prompt using the new advance retry settings. DTMF is only supported in the Netherlands, and FSK is both in the Netherlands and Belgium. Jan 29, 2021 · Options. Page 21: Dtmf Operation Erases all characters after the cursor 6. 01-29-2021 07:46 AM. The following definition for DTMF comes from Wikipedia "DTMF signaling is used for telephone signaling over the line in the voice-frequency band to the call switching center. This next generation of the DR repeater series offers features of the DR-1X and more for greater flexibility and versitility. If Interface Type is set to E1, enter a channel number from 1 to 31. May 5, 2020 · nte-ca Set mgcp dtmf-relay mode to be nte-ca. 16 – DTMFST [DTMF Side Tone] OFF, DT-ST, ANI-ST, DT+ANI: This setting determines if DTMF side tones can be heard out loud by your receivers speaker. We would like to show you a description here but the site won’t allow us. rfc4733 - DTMF is sent out of band of the main audio stream. So when a user presses a digit it plays the tone (in-band), sends an RTP event (RFC4733/2833 Jul 16, 2015 · 一．IP电话传送DTMF的方式. Key Words: AT&T Office@Hand, DTMF codes, # commands, 67718. -Turn off the radio before removing the battery. The idea being that it’ll “just work” and won’t need configuring. 323 protocol suite. Upon receiving the DTMF ID code, you can have a paging beeper sound (1, 3, 5, 8 times, or repeating). If you saved multiple codes, scroll to the one you want to transmit. Program mode: Press 2. Inband: Send DTMF using inband audio. For example, you are required to set the 3-digits DTMF code if DTMP Mode is set as 3-digits. In the first tab, Provider Information you can change the DTMF Mode. Router(config)#mgcp package-capability fm-package. - Set with software and are up to 5 digits each. This will produce RFC 2833 packets and it will go all the way through to the gateway. They hear the recording and press the appropriate number, but nothing happens. Oct 25, 2022 · Amazon Lex now lets you set session attributes to control voice and DTMF input modes. Sep 5, 2017 · Wouldn’t DTMF make for a cool NUMBERS STATION in-audio-band transceiver over a 2-way radio or a telephone. It is sometimes known as tone dialling and allows the user to send a series of tones that activate or disable a remote It is used in conjunction with the alarm mode (see option #32 below for more). Caller ID display - To let you know who's calling at a glance. Typically, you shouldn’t have to change this, but it’s worth trying. CircuitWerkes DS-8 DTMF Sequence Decoder. The better substitute are ‘rfc2833’ and ‘info’. Feb 19, 2021 · Three DTMF modes of SIP trunk including rfc2833, inband and auto are all tried but no luck. Nov 20, 2023 · 1-digt DTMF: set the 1-digt DTMF code within range from ( 0-9 and *,#). Step 2. 2. The module receives, distinguishes, and creates a 4-bit binary code, which is then sent to the Apr 12, 2019 · Dual mode - DTMF/FSK dual mode automatic identification. DTMF tones cannot be decoded in call progress mode. View and Download QuanSheng UV-K5 user manual online. DTMF tones are used in some caller ID systems to transfer the caller ID information, but in the United States only Bell 202 modulated FSK signaling is used to transfer the data. g. e. If you’re using more than one board, connect the Thru jack on the first board to the Audio In jack on The four options are: info, inband , rfc2833, and auto. *#903#. Router(config)#mgcp package-capability dtmf-package. Assuming it’s a PJSIP trunk, you can try playing with the DTMF Mode option by editing the trunk, and going to the pjsip Settings’ Advanced tab. The MH -59A8Jincludes a rotary control knob for adjust the operating frequency and receiver audio volume level. 38 (Fax over IP) and 2) fax pass through. DTMF (or dual-tone multi-frequency signaling) is the sound a pressed telephone keypad. 4. Auto: Send DTMF using RFC2833 if offered May 7, 2024 · DTMF Methods . 2~4 Digits DTMF: set the DTMF code according to the DMTP Option setting. Each relay can be set for one, two, three, or four digit code (s). A telephone subset with selectable DTMF signalling means and decadic dialling means, the subset includes a tone detector (7) to detect dial tone generated by the exchange to which the subset is connected, and processor means (4) to control the transmission of dial signals entered into a memory in the subset, wherein, when the phone is first connected to an exchange line (L1, L2) and a number Jan 24, 2024 · To do that certain logging options have to be set: 1. Press and hold in the [FUNC] key for one second to activate the Menu Mode. In call progress mode a square wave representation of the incoming signal will be presented on the CP output, IRQ enabled. If the T38 Fax Relay feature is also configured on this IP network, configure the voice gateways to use a payload type other than PT97 or PT98 for fax relay Sep 9, 2005 · Inband DTMF as audio tone does not work reliably unless the Asterisk codecs setting is ulaw or alaw (G711). The version of DTMF used for telephone tone dialing is known by the trademarked term Touch-Tone, and is standardised by ITU-T Recommendation Q. In the paging mode, your display shows the DTMF ID code of the calling party. With the NTE method, the endpoints perform per-call negotiation of the DTMF transfer method. Up to 10 registers of 16-digit DTMF tone codes can be stored as telephone numbers to make calls through the public telephone network using a phone patch or connect through the WIRES-X analog node station. Preferred Vocoder (Codec) The HT818 support following voice codecs. logger. USER LEVELS, DETAILS AND PROGRAMMING. When using the X-AC-Action header to switch IP Profiles, it is recommended that the settings of the switched IP Profile are identical (except for the 'Send Multiple DTMF Methods' parameter) to the initial IP Profile in Oct 13, 2022 · For landline phones, you'll have DTMF, and via cable, you'll have FSK. All tone dialing phones have numeric keypads while most pulse dialing phones have rotary dials. nte-gw Set mgcp dtmf-relay mode to be nte-gw. DT-ST Only manually keyed DTMF codes are heard ANI-ST Only automatically keyed DTMF codes are heard DT+ANI * All DTMF codes are heard : OFF / DT-ST / ANI-ST / DT+ANI: 17 S-CODE: Signal Code - PTT-ID DTMF Code Selection (set with S/W) - Selects one of 15 DTMF codes. Normal digipeater operations will show a pattern of x1xx1xx. While pressing the [V/M] key, press and hold the POWER (LOCK) switch to turn the transceiver ON. The memory channel only mode is ON, the previously selected memory channel is recalled. 目前传送DTMF信号普遍有两种方式：带内传送和带 Aug 15, 2022 · It is an out-of-band DTMF relay mechanism that transports the DTMF signals using H. 211 with Asterisk 11. The system does not pick up the tone. The DTMF telephone keypad is laid out in a 4×4 matrix of push buttons in which each row represents the low frequency component May 16, 2024 · To Interface MT8870 DTMF Decoder Module with Arduino connect the circuit according to the given diagram, and upload the code. Nov 25, 2021 · DTMF is a signaling mode used for a variety of purposes. If you are the only participant on an AT&T Office@Hand conferencing bridge, *#903# will mute the hold music. 9999 would be 009999 for the test server. *1node number then push Send to disconnect. Sets the FTM-100DR/DE transceiver to node station mode. Aver: Press Far/Near button on remote control to toggle between camera presets and DTMF mode Sep 27, 2021 Knowledge. For example, 2 is entered into the dial pad. Almost all our phone support both DTMF and FSK. Save and test. inband - DTMF is sent as part of audio stream. DTMF is widely used for telecommunication signaling between telephone handsets and switching centers over analog telephone lines in voice-frequency bands. Mode 3: Mix of mode 1 and mode 2. See LD 18 for more details. It is sometimes known as tone dialing and allows the user to send a series of tones that activate or disable a remote Apr 11, 2008 · What are the DTMF modes ? On a standard PSTN phone line, the DTMF tones are always sent as part of the audio data (InBand); but the higher compression from VoIP codecs (which are designed for speech, not data tones) means that codec at the other end cannot be guaranteed to reproduce these tone signals accurately enough for automatic recognition. 在 Jun 4, 2020 · If a DTMF key has been detected and Step 4 finds that the key is the control key ‘#’, Step 5 switches the mode from TALKING to DTMF, or from DTMF to TALKING, depending on the current mode. T. FLASH function - Allows you to dial the next phone number while you are about to hang up the present ones without putting the handle down. This version of Apr 8, 2004 · SIP DTMF Signalling. For each node, a DTMF ID (5-digit number) and user ID (alphanumeric characters consisting of up to 10 digits) are provided. When IRQ enabled and DTMF mode is selcted, the CP output The Memory Channel Only Mode. Like the simplex channels, the A side must be used to program the repeater channels into the radio. The global setting for DTMF Mode setting is under web UI->PBX->SIP Settings- >ToS. 23. RFC2833: Send DTMF using RFC2833. *13node number to disconnect. , the IoT remote control mode) at Step 6, the key can be regarded as a valid key When calling an extension, press the # key to go directly to the extension’s voicemail. Connect the audio source to the Audio In jack on the board. Polycom: Press # to activate the keypad for DTMF tones; Tandberg: Press # to activate "Touch Tones" Lifesize: Press to toggle between presets and DTMF mode; Sony: Press * to activate DTMF mode, Enter to exit (microphone will not be active in DTMF mode). The person will call in and they get to the ivr menu. Add 0’s if number is less than 6 digiits ex. May 11, 2022 · This block is only available in advanced mode. They do not even register in the dtmf logs. This sound is heard by the telephone company, which then uses the information to route the call or use a telephone feature. out-of-band Set mgcp dtmf-relay mode to be out-of-band. This point is also applicable if we have selected “Current GW Config” in the dropdown for DTMF is a multi frequency tone dialling system used by the push button keypads in telephone and mobile sets to convey the number or key dialled by the caller. View all landline phones with caller ID. DTMF Dual Tone Multi-Frequency. -Align the battery with the guide rails on the aluminum chassis and slide it upwards until a 'click' is heard. for allstar just like you would when sending DTMF over the air. , PCMU and PCMA. Oct 20, 2020 · Step 1. The RFC 2833 DTMF MTP Passthrough feature adds support for passing Dual-Tone Multifrequency (DTMF) tones transparently between Session Initiation Protocol (SIP) endpoints that require either transcoding or use of the RSVP Agent feature. This sets the message variations for a slot to Apr 16, 2024 · From The RadioReference Wiki. It should be ‘auto’ by default. This has eliminated the need of telecom operator between the caller and the Mode 2: All eight relays are momentary. DTMF has enabled the long distance signalling of dialled numbers in voice frequency range over telephone lines. Aug 23, 2021 · DTMF (Dual Tone Multi Frequencies) are the tone signals sent to make telephone calls, or control repeaters and network links. In addition, DTMF only works with KPN, while FSK works with all other providers. RFC 2833 defines the format of NTE RTP packets used to transport DTMF digits, hookflash, and other telephony events between two peer endpoints. May 11, 2009 · 3. DTMF, CTCSS, DCS, Tone Burst What are they and which do you need for a given situation? Learn about the variety of signal tones. There are two user levels that can be assigned unique DTMF IDs: Master and Vice Aug 9, 2021 · Definition. Follow steps 1 to 2 again to cancel node station mode. Each command consists of a sequence of digits (or the special keys *, #, and A . This app works in both portrait and landscape modes. However, if another DTMF key is found and the current mode is DTMF (i. Try to change the DTMF Detection Mode from hardware to software and it works! TGV3 Path: Gateway>>Mobile List>>Advanced Settings. conf has to be modified and full debugging with dtmf option has to be enabled. This will reinstate abilities to transmit and receive. It signals the phone company that you want to make a call and sends a command to the switch. BF-F8HP type: 128 channels, 3 power levels, 2 bands. This signaling method is commonly used in touchtone keypads and is also known as touchtone dialing. The DTMF encoder in your radio won't simply send one frequency when you press a number - it will send the full dual-tone signal that's made up of all six frequencies (the four original frequencies plus the two "shadow" frequencies). See option #32 to below for more information on how this code is used with an alarm call. The out-of-band transmission mode of the POTS voice entity should be identical with that of the VoIP voice entity. A 16-Button DTMF phone can be used with a Meridian PBX when: Yes, the QUANSHENG UV-K5 two-way radio is compatible with other brands of two-way radios that operate on the same frequency range and use the same coding/decoding technology. Jun 12, 2023 · Dual-Tone Multi-Frequency (DTMF) tones are used for dialing, navigating automated phone systems, and other tasks. auto - DTMF is sent as RFC 4733 if the other side supports it or as INBAND if not. Apr 30, 2021 · DTMF Commands Prefix Description *1 Disconnect from link. Jun 28, 2023 · HT813 supports FAX in two modes: 1) T. Configure the switch type according to the direction provided by carrier. Auto mute DTMF commands: if a DTMF sequence is being entered, and the first character is a Special command or cross mode group call DTMF character, the outgoing call will be automatically ended, so DTMF tones won’t annoy other users on the same reflector/talkgroup. Switch Type. We're using AGI and the Java libraries to present an IVR but have gotten complaints from the users that their keypresses are being ignored. The DS-8 is excellent for controlling VTRs and local spot insertions. Design an Arduino to do Text-to-DTMF and vice versa. UV-5RX3 type: 128 channels, 2 power levels, 3 bands. Many other use cases for DTMF tones have also emerged - from booking appointments to checking bank balances Aug 25, 2011 · Dual-tone multifrequency (DTMF) is a method used to dial telephone numbers or to issue commands to switching systems. Mode Status Bits: The 8 bits on the end of every one minute telemetry packet indicates the status of the various modes. 而随着IP电话的大量使用如何实现传送DTMF成为IP电话中的一个技术问题。. Mar 28, 2023 · Last updated on Mar 28, 2023. This setting should be based on your server DTMF setting. Info: Send DTMF using SIP INFO message. -The battery latch at the bottom locks the battery. UV-K5 two-way radio pdf manual download. Mute Conference Bridge Music. *3node number then push Send to connect. The reason this is a lower preference is because MGCP has an annoying habit of sending NTFY messages even when the method is set to NTE and duplicate digits will still be created under certain circumstances. Steps to edit the DTMF mode in Switchvox for your Sip Trunks: Log into /admin. Answer. Generally, PSAT2 will be in DTMF mode with the digipeater off to keep the DTMF uplink exclusive for 双音多频信号 （英語： Dual-Tone Multi-Frequency ，簡稱： DTMF ），电话系统中 电话机 与 交换机 之间的一种 信令 ，最常用于撥號時发送被叫号码 [1] 。. Persinyalan nada ganda multifrekuensi ( bahasa Inggris: dual-tone multi-frequency signaling, DTMF) adalah sistem persinyalan telekomunikasi pada pita yang menggunakan pita frekuensi suara melalui saluran telepon antara peralatan telepon dan perangkat komunikasi lainnya dan pusat peralihan. An autodial number (of up to 23 digits) can be assigned to any of these buttons for either the pre-dial or post-dial modes. DTMF Functions. Tone dialing uses specific tones to indicate the number that was entered while pulse dialing uses a number of signal pulses. DTMF pertama kali dikembangkan dalam Bell System di In actual configuration, to implement the transparent transmission of DTMF digit, you need to perform configurations for the VoIP voice entity on the originating GW and the POTS voice entity on the terminating GW. if you provide the details how its integrated with CUCM, we can see the best option to turn on. Sep 24, 2021 · N8PC September 24, 2021, 10:37pm 2. The FT-70DR/DE may be set to operated only in the registered memory channels. Press the PTT switch to save the setting and return to normal operation. *2 Connect to node in Rx only mode. Programming data entered on the B Side (lower display) will not be saved. In addition consumers need to subscribe to these services with their service provider. The H245-signal method carries more information about the DTMF event (such as its actual duration) than the H245-Alphanumeric method. May 27, 2013 · This blog is intended to help you understand the SIP DTMF Options supported by Cisco Unified Communications Manager (CUCM). This setting is hard coded. Jul 26, 2018 · The disadvantage is there’s now 3 possible implimentations, DTMF Inband, DTMF in RTP Events, and DTMF in SIP INFO. core set debug 3 or core set debug 4 needs to be set in Asterisk CLI. They also negotiate to determine the payload type value for the NTE RTP packets. IVRs, or Interactive Voice Response systems allow dialers to navigate without tying up an operator. • Press the [ F ] key to save the DTMF memory and re- turn to Set Mode screen. "mgcp dtmf codec all mode nte-gw". If Interface Type is set to T1 or J1, enter a channel number from 1 to 24. This requires the use of lossless coders, such as µ-law or A-law. So for our example of 1=1209 Hz and 2=1201 Hz, there is a second frequency generated at 1209+901 Hz and 1201+902 Hz respectively. So your IVR system DTMF is working on in-band and not via the Named Telephone Event (NTE) system. This is useful for controlling devices such as a pan/tilt camera rotor. Feb 17, 2020 · wmoon (Walter Moon) February 17, 2020, 11:21pm 2. While 3 is being pressed relay 3 is on. Our incoming sip trunk is Sep 27, 2021 Knowledge. *33node number to connect Echolink. When a the NWS requests for activation of a Skywarn net, the control operator will key in the code to indicate that the repeater is in Skywarn mode. There is also a new setting: Play the messages in order. It does this by sending two tones for every number pushed - one high frequency and one low frequency. Set the channel used to carry control information and signaling information. Select a key from the dial pad. *3 Connect to node in Transceive Mode *4 Command Mode for controlling node *5 User-defined macros *6 User defined functions, such as autopatch *7 Connection Status / Other Functions *8 User defined functions *9 User defined functions *0 Jul 7, 2017 · DTMF transmits the caller’s number. Before connecting the MH -59A8J, you must instruct the FT -897's microprocessor that the MH -59A8Jis being used, using t he Menu Mode: 1. Press [BAND] for the frequency band Jul 27, 2011 · 1. This is useful for controlling devices like pan and tilt cameras. DTMF-equipped transceiver). SIP DTMF options supported by CUCM: DTMF can be sent either in band or out of band (OOB) In Band transmission - RFC 2833 (RTP-NTE) Out of Band transmission Cisco ATA 191 and ATA 192 Analog Telephone Adapter Provisioning Guide for Multiplatform Firmware Voice Parameters Sep 18, 2023 · The DTMF (Dual-Tone Multi-Frequency) signaling method is a telephony technology used to transmit digits over a phone line. YAESU provides identification names with the WIRES-X nodes. Go to Setup > Voip Providers and modify the provider you want to edit. Identification, or sometimes PTT-ID since the radio sends a data burst containing the ID code at the beginning or end of a transmission. ;relaxdtmf=yes. For details on what settings to use and questions regarding system interoperability, contact the dispatch office with your employer. Some endpoints use more than one method, some even use all 3. First item on the list is Book and select it. DTMF 1 operates relay 1, DTMF 2 operates relay 2, etc, up to DTMF 8 operating relay 8. Individually programmable closures are the key. This requires 64-bit codec, i. While 7 is being pressed relay 7 is on. FSK is a more recent format for the transmission of caller’s number (or caller’s number and name depending on the network). Nov 20, 2019 · Then configure the proper the DTMF mode for SIP extension or SIP trunk according to your practical case. Note: The DTMF DVDs Division 6 carries use the right audio channel for control tones, so you’ll need to hook your DTMF boards to the right (red) audio output on your DVD player. Press and hold for over one second to hide all displays on the screen (the mode display and status indicator also turn off). The Baofeng UV-5R uses DTMF signalling for it's ANI implementation. It's most known for telephony dialing, but is in use for many different applications such as DTMF paging for DTMF-enabled VHF / UHF radios and as a marker on broadcasting stations for switching between regional and local programming for events like local news broadcasting. In Sysop mode, EchoLink can be configured to accept commands through the local receiver using DTMF tones (TouchTones). 245, which is the media control protocol of the H. DTMF (Dual-tone multi-frequency) is a signaling technique used in telecommunication systems to transmit digits, letters, and special characters over the voice channel. Named Telephone Events (NTEs) are specially marked event Jun 17, 2009 · DTMF D ual T one M ulti F requency. In addition, an autodial number can be assigned to the recall (RCAL) button in the pre-dial mode. Using auto allows Asterisk to automatically determine which DTMF mode to use (it prefers rfc2833 if available). 不過雙音多頻的發明，除了縮短撥號時間，也擴展了撥號之外的功能，例如自動 總機 、 互動式語音應答 。. These commands are used to enable or disable the link, or to connect or disconnect a station on the Internet. In my sip. dtmf_mode¶ This setting allows to choose the DTMF mode for endpoint communication. TGV2 Path: Gateway>>VoIP Trunk>>Advanced>>DTMF Mode. Caller ID service depends on these data transmission formats being supported by the phone. This mode may do something as simple as removing the PL tone or changing the courtesy tone to one indicating that the repeater is in Skywarn The battery bottom is about 1 to 2 centimeters below the bottom of the radio's body. The HT818 support the following DTMF mode: • DTMF in-audio • DTMF via RTP (RFC2833) • DTMF via SIP INFO Set priority of DTMF methods according to your preference. We are running FreePBX 5. You can even pre-encrypt it before and simultaneously, press and hold for over one second to turn ON the power. Press [A/B] and choose the A Side (upper display). Redial function - To dial back when phone call is interrupted, convenient to use. conf, under the general section, I have DTMF defined like this (the "relax" line being commented out): dtmfmode = rfc2833. rtp set debug on needs to be enabled in Asterisk CLI. Press [VFO/MR] and enter Frequency Mode. The number 2 will generate a unique DTMF signal. 38 is the preferred method because it is more reliable and works well in most network conditions. But if DTMF is enabled, the DTMF bits are 1101xxxx as shown here. Implementations of the Session Initiation Protocol (SIP) commonly use four methods for signaling digits between user agent servers and user agent clients: DTMF audio tones in the RTP stream (inband). Dual tone multi-frequency (DTMF) is a technology used with touch-tone phones, best known to users as the sound made when pressing a number key. Most of the information on this page is also relevant to similar models that share the same microprocessor and RF chipset: UV-5R type: 128 channels, 2 power levels, 2 bands. It is based on the concept of using multiple frequency tones to encode and decode signals. The relay is in the on state while the corresponding DTMF tone is being received and in the off state when the DTMF tone is absent. The YAESU DR-2X is a digital/conventional FM dual mode repeater that covers the VHF and UHF amateur radio bands. Tone dialing is very quick and easy to use while pulse dialing can take a long time. DTMF is used in ham radio in applications such as IRLP and Echolink, as a means to dial outside numbers via phone patch and as a means for repeater owners to configure the system remotely. info - DTMF is sent as SIP INFO packets. Nine 3-digit code memories store your ID plus those of eight other stations or groups you wish to monitor, and an extra code memory always Each of the eight relays can be programmed for operation in one of four modes: Follow, Pulse, Latch or Exclusive. Sep 4, 2014 · Hello, we are having a problem that when some calls come into our system the dtmf tones are not heard. 2 IRQ Interrupt Enable: A logic high enables the interrupt function. - Enabled by using Menu 19. FT-70DR/DE Advance Manual Page 22: Transmitting The Registered Dtmf Code Enable the sending of DTMF digits using the RFC 2833 method, by configuring the 'RFC 2833 Mode' parameter to As Is or Extend. In Follow mode a relay (1 to 8) is operated when the appropriate tones are being received and the relay is released when the tones stops. The info value means to use the SIP INFO method, inband is for inband audio tones, and rfc2833 is for the out-of-band method defined by that RFC. TGV3 Path: Gateway>>VoIP Trunk>>Advanced>>DTMF Mode. Bridge the DS-8 across your audio source and get eight individually programmable relay outputs. And relay name can be edited on the SmartPlus cloud and SDMC. as al wu hu ij lm wa qz rr ai