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Cisco 8821 Wireless Phone Troubleshooting
https://www.cisco.com/c/en/us/support/docs/collaboration-endpoints/wireless-ip-phone-8821/212534-cisco-8821-microphone-troubleshooting.pdf#:~:text=Step%201.%20Audio%20Diagnostics%20can%20be%20accessed%20at,be%20heard%20from%20the%20output%20selected%20inStep%202.
VOIP call rings, user answers but no sound - Cisco Community
https://community.cisco.com/t5/ip-telephony-and-phones/voip-call-rings-user-answers-but-no-sound/td-p/1245388
VOIP call rings, user answers but no sound. I have set up VOIP between to sites. Each site connects from a PBX to router then accross the WAN. Site A calls site B, phone rings, user answers but there is no sound at either end!!! complete silence. 06-28-2009 03:49 AM.
How to troubleshoot one-way / no audio issues - Cisco ...
https://community.cisco.com/t5/collaboration-voice-and-video/how-to-troubleshoot-one-way-no-audio-issues/ta-p/3164442
Finally, if you see the phone is receiving packets but nothing can be heard on the phone you will need to get a packet capture from the phone to further analyse the RTP stream, if the packets have the wrong sequence the phone will not play those, or if Wireshark indicates that the packets are corrupted or malformed the phone might not play them, if the RTP packets are …
No audio on voice calls over VPN softphone to/from ... - Cisco
https://community.cisco.com/t5/ip-telephony-and-phones/no-audio-on-voice-calls-over-vpn-softphone-to-from-remote-site/td-p/2224430
No audio on voice calls over VPN softphone to/from remote site IP Phone. I'm at a loss here, so any assistance will be very much appreciated. I'll do my best to describe the scenario: Softphone -> SSL VPN -> ASA 5510 -> Cisco 4507 CORE -> Cisco 2821 MPLS Router -> MPLS Network -> Cisco 2811 H.323 Gateway -> Cisco 2960 POE Switches -> Cisco 7942 ...
Cisco 7960 phone no audio - General Help - FreePBX ...
https://community.freepbx.org/t/cisco-7960-phone-no-audio/25687
Speak to the Cisco phone but no audio out from Polycom. Samething happen when the Cisco phone calling Polycom phone or calling outside line. The DTMF also not working. Dial 7777 from the Cisco phone and it won’t accept any key press. I set the extension NAT mode to “No” or “Never” with no affect.
Cisco CP8961 No Audio over NAT - Tips and Tricks - FreePBX ...
https://community.freepbx.org/t/cisco-cp8961-no-audio-over-nat/23685
any Cisco phone on this subnet work fine. b. a phone on separate network connected via router in same building. on 192.168.2.0/24 register, ring and can dial out, but no audio. c. Server on external public IP, cisco on local subnet 192.168.1.0/24 connected via adsl. again register, ring and can dial out, but no audio.
Phone rings but no sound - 3CX Forums
https://www.3cx.com/community/threads/phone-rings-but-no-sound.10599/
I have polycom phone in network works fine but when I put my phone to remote network The phone rings but no sound at all . The phone server has 192.168.1.45 which runs under Verizon (ISP ) and my Polycom is in Optimum . I put public Ip address of Phone server to polycom settings My phone rings but no sosund.
IP Phone ring problem - Cisco Community
https://community.cisco.com/t5/other-collaboration-subjects/ip-phone-ring-problem/td-p/2897229
Hi Team, Currently I am working in a medium level company,My problem is one of the IP Phone is not getting ring,it only blinks the light.Call is getting connected and Audio quality is also fine but when ever phone rings their is no Sound,I already checked in IP Phone and try to change the seetings in User Preferences,but their is no ring,Kindly help us on this issue,is their …
How to troubleshoot one-way and no-way audio on VoIP calls
http://info.teledynamics.com/blog/how-to-troubleshoot-one-way-and-no-way-audio-on-voip-calls
The vast majority of one-way or no-way audio problems are a result of the blockage of RTP ports for the voice stream. There may be many reasons why these ports would be blocked. Some of the most common are: (1) Network Address Translation (NAT)
Solved: Cisco 7960 to Cisco 7960 calls produces no sound ...
https://www.experts-exchange.com/questions/24072905/Cisco-7960-to-Cisco-7960-calls-produces-no-sound.html
However when I try to call another Cisco phone from a cisco phone the phone that is called rings but when I pickup the handset there is no sound. The display says connected. If I call the same cisco phone from a softphone (x-lite) there is no problems .. phone rings and I can talk on the phone.
Cisco IP phone over site to site VPN...external calls work ...
https://www.reddit.com/r/VOIP/comments/44178n/cisco_ip_phone_over_site_to_site_vpnexternal/
All outside calling works fine with 2-way audio, incoming and outgoing. Outside calls incoming to internal office can be forwarded to phone at remote site's extension no problem. The problem is internal calls (dialing direct internal extension of phone) has no audio...phone rings and displays extension of phone calling, but neither end can hear audio. Same behavior regardless if call is …
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