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CallManager H.323: One-way Voice Issue after ... - Cisco
https://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-communications-manager-callmanager/8604-oneway-voice-after-transfer.html#:~:text=Introduction%20This%20document%20describes%20the%20scenario%20in%20which,when%20the%20Music%20on%20Hold%20%28MOH%29%20is%20enabled.
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
A one-way audio call is when you have a call between 2 phones (internal-internal or internal-external), and one of them cannot hear the other …
How to resolve the one-way audio issue when Cisco ...
https://community.cisco.com/t5/collaboration-voice-and-video/how-to-resolve-the-one-way-audio-issue-when-cisco-callmanager/ta-p/3132086
Issue the show ephonecommand on Cisco CallManager Express. Browse the ephone ip address in order to check the call stream statistics. Press the help (i or ?) button twice in quick succession during an active call in order to show the call statistics on the screen. Normally, GRE over IPSec is the recommended solution for this one-way voice issue.
CallManager H.323: One-way Voice Issue after ... - Cisco
https://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-communications-manager-callmanager/8604-oneway-voice-after-transfer.html
CallManager H.323: One-way Voice Issue after Transfer or Hold Introduction. This document describes the scenario in which a user gets one way audio issue with Cisco CallManager after... Problem. The IP phone sends Real-Time Transport Protocol (RTP) packets to the wrong IP address after it resumes ...
One-Way Audio Issue - Cisco Community
https://community.cisco.com/t5/ip-telephony-and-phones/one-way-audio-issue/td-p/1940227
One-Way Audio Issue. We are running UCCX 7.1 (SR5), UCM 7.1.5.34085-1, 4 Voice Gateways 12.4 (19b) . We have been experiencing some calls into our call center that when answered by our CSR's there is one way audio. This happens only on a handful of the calls but has happened enough to raise the attention of the supervisors in the call center.
Jabber/VPN One Way Audio Issue - Cisco Community
https://community.cisco.com/t5/unified-communications/jabber-vpn-one-way-audio-issue/td-p/4052899
Jabber/VPN One Way Audio Issue. We have two locations one is configured for 3 digit dialing and the other configured for 5 digit dialing. Calls between users with 3 digit extensions and 5 digit extensions are good two way audio is present. Calls between users with 5 digit extensions at the same location are experiencing one way audio over a VPN connection.
Troubleshooting Guide for Cisco Unified Communications ...
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/trouble/11_5_1/cucm_b_troubleshooting-guide-1151/cucm_b_troubleshooting-guide-1151_chapter_0100.html
When a toll-bypass call is established between two Cisco gateways, only one of the parties receives audio (one-way communication). Possible Cause An improperly configured Cisco IOS gateway, a firewall, or a routing or default gateway problem, among other things, can cause this problem. Recommended Action
Contents Introduction Problem Solution - Cisco
https://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-communications-manager-callmanager/8604-oneway-voice-after-transfer.pdf
Problem Solution Introduction This document describes the scenario in which a user gets one way audio issue with Cisco CallManager after a call is transferred or placed on hold, if the H.323 endpoint that is configured on the CallManager is a Fast Ethernet subinterface of the gateway. This occurs especially when the Music on Hold (MOH) is ...
Troubleshoot One Way Audio Issue Using CLI Debug ... - Cisco
https://www.cisco.com/c/en/us/support/docs/collaboration-endpoints/ip-phone-7800-series/200903-Troubleshoot-One-Way-Audio-Issue-Using-C.html
As mentioned already, a one-way audio problem is usually intermittent. Having multiple phones affected requires to configure the option of dumping the logs to a remote Syslog server. In Cisco Unified Communications Manager (CUCM) enable the following parameters. Reset the phone. Step 3. Login to the phone's CLI via SSH protocol. Step 4.
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