One Way Audio Tdm

Cisco Bug: CSCud60826 - One-way audio on TDM SIP GW ...

https://quickview.cloudapps.cisco.com/quickview/bug/CSCud60826

Symptom: PSTN -- T1 PRI --- IOS Gateway -- SIP --- CUCM --- Agent IP Phones One-way audio may be observed between a PSTN caller and an Agent IP phone connected via a SIP IOS Gateway such as ISR-G2 routers. The "tx" counter in the IP leg of "show call active voice brief" command will stop incrementing.

AS5400 HPX one-way audio on TDM-IP call leg - Cisco

https://community.cisco.com/t5/voice-over-ip/as5400-hpx-one-way-audio-on-tdm-ip-call-leg/td-p/2084236

In summary: - after many years I've changed the TDM provider without fix the problem. - the problem regards about 2% of both incoming and outgoing calls, so it is indipendent from direction of the call. - the audio issue is always in the call leg from TDM to IP side. - we observed this strange issue on all AS5400HPX gateway (3 different gateway ...

TDM Audio Interface: A Tutorial - EEWeb

https://www.eeweb.com/tdm-audio-interface-a-tutorial/

How to solve VoIP one way audio- step by step.

https://www.voipmechanic.com/voip-one-way-audio.htm

Solved: One way Audio issue - ADTRAN Support Community

https://supportcommunity.adtran.com/t5/Total-Access-900-900e-Series/One-way-Audio-issue/td-p/7472

One of our field techs was onsite with their vendor and tested the pri with his JDSU test set. He made multiple calls using every channel individually. When their vendor tested through the pbx he experienced the one way audio issue on channels 4, 7, 8, and 12 and claims it only happens when they have more than 3 calls up at the same time.

TDM for 16 audio channels. What's the best way? - Q&A ...

https://ez.analog.com/audio/f/q-a/109495/tdm-for-16-audio-channels-what-s-the-best-way

So you cannot send only one channel on an I2S signal. In TDM mode you would have all four on the bus so treat them however you like. Yes, you can daisy-chain two of these codecs to give you 8 ADC channels and 16 DAC channels. Then use another pair for the other 8 ADCs and 16 DACs. Now I would recommend that you operate the part in TDM 8 mode.

One way audio on external calls mitel 3300 - Mitel ...

https://www.tek-tips.com/viewthread.cfm?qid=1700016

In the case of SIP trunks once the call is setup by the controller then all audio goes from the sets to the SIP trunk gateway. This can be an MBG or a device supplied by the SIP trunk provider or simply might be your internet firewall. Many times firewall issues result in one way audio. Have the trunks every worked properly.

TDM for 6 audio channels - Q&A - Audio - EngineerZone

https://ez.analog.com/audio/f/q-a/166490/tdm-for-6-audio-channels

TDM for 6 audio channels. We are designing a consumer electronics product which needs multiple audio inputs to be fed together to and handled by a single processor. We expect maximum 6 stereo signals to be handled. AD1938 seems to be a suitable option to mux these signals and feed to our processor.

one way / no way speech audio - Avaya Support Forums

https://support.avaya.com/forums/showthread.php?t=767

The phone signalling appears normal (i.e. dial tone and ring tone as expected). If one way or no way audio intermittently occurs, this suggests a media problem (i.e. voice path, possibly the IPO itself, the network or the phone). How do we resolve?

TDM Circuit DSP Clocking, Slippage and Synchronization ...

https://www.cisco.com/c/en/us/support/docs/wan/tdm/116050-trouble-tdm-clocking-00.html

When implementing a time-division multiplexing (TDM) (T1/E1) interface, some of the following issues may occur: One-way audio or no audio on plain old telephone service (POTS)-to-VoIP calls or POTS-to-POTS calls; Modems that do not train up; Faxes that are incomplete or have missing lines; Fax connections that fail; Echo and poor voice quality on VoIP call