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W52P - One Way Audio With Outgoing Calls
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Kevin_Yealink Offline
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RE: W52P - One Way Audio With Outgoing Calls
(06-13-2017 09:43 PM)JayFar Wrote:  Hi,

Our W52P Dect Phones has issues with outgoing calls and no audio, and happens randomly our conistatnly on curtain numbers. The Called Person hear everything, but the caller (W52P) hears nothing. The other direction works fine. It mostly happens when calling 800/866 numbers.

We've made the neccesary changes, disabling SIP-helper, Sip-nat-trace, rip, and SIP ALG. We don't use nat-traversal and experience the same issues when the deivce is plugged in directly to our firewall and modem, it has the same issues across multiple ISP.

Any thoughts on fixing it?

Hi Jay

This is Kevin from Yealink support team, nice to know you.

For the issue, I have several questions, appreciate if any reply.
1. May i know if 800/866 has specially setting than other number?
2. If you call 800/866, how many calls will have 1-way audio issue in 10 cals?
3. If you call other number, how many calls will have 1-way audio issue in 10 calls.
4. Both internal call and external call have such issue?
5. For the issue, please help export pacp,syslog,config.bin files to me. You can refer to the FAQ:
http://support.yealink.com/faq/faqInfo?id=311
6. May i know how many phones in your side?

BR
Kevin
06-14-2017 03:23 AM
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RE: W52P - One Way Audio With Outgoing Calls - Kevin_Yealink - 06-14-2017 03:23 AM

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