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One Way Audio with MGCP Gateway - Cisco Community
https://community.cisco.com/t5/ip-telephony-and-phones/one-way-audio-with-mgcp-gateway/td-p/2632611
We got a problem with sporadic "one way audio" one mgcp connections to PSTN. Call flow: PSTN-->2811-->mgcp-->cucm-->CP7942-->CFWDall-->CP7942. or. ... Below how to implement the new Scheduler Component on Cisco Meeting Server 3.4 for Scheduled Meeting through the Cisco Meeting Web Application Spaces.Scheduler Service On Cisco Meeting Server …
One way audio MGCP gateway - Cisco Community
https://community.cisco.com/t5/ip-telephony-and-phones/one-way-audio-mgcp-gateway/td-p/3676803
I did traceroute, on B gateway to A site phone with B site extention on it, this was the response. DWNTWN_Voice_Router#traceroute 10.255.255.124
MGCP GW "PRI Calls only" - One-Way Audio...along with MPLS ...
https://learningnetwork.cisco.com/s/question/0D53i00000Ksqoh/mgcp-gw-pri-calls-only-oneway-audioalong-with-mpls-link-upgrade
NOTE - ONE-WAY AUDIO ISSUE only with PRI CALLS.....ON-NET Calls always work properly over both MPLS links for inter-region and intra-region calls... Also to clarify, same MGCP Gateway (3925) registered with CUCM 9.1.2 over a MPLS Link of 10MBPS along with a local / native PRI does work perfectly fine..means both way audio, without any fail.
Troubleshooting One Way Voice Issues - Cisco
https://www.cisco.com/c/en/us/support/docs/voice/voice-quality/5219-fix-1way-voice.pdf
a one−way audio problem. For more information, refer to Cisco bug ID CSCdw69681 (registered customers only) . Bind the MGCP Signaling to the MGCP Media Packet Source Interface on the Cisco IOS Gateway One−way voice can occur in Media Gateway Control Protocol (MGCP) gateways if the source interface for signaling and media packets is not …
Solved: Cisco one way audio - Cisco Community
https://community.cisco.com/t5/ip-telephony-and-phones/cisco-one-way-audio/td-p/2277193
Hi, I have one way audio from PSTN to IP Phone. 1. From IP phone to IP phone its working 2. From IP phone to pstn line i can hear (outbound working) 3. PSTN phone to IP phone i am not able to hear. No voice is coming from that side (in bound not working from pstn to call gateway) Can some help.
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
How to check really quick if the phones are sending / receiving RTP (audio). * Open the web page for 2 test phones, then click the 'stream 1' link located at the left handed side of the page, and check if the IP address and port match the information on both sides, keep pressing the 'stream 1' link and you will notice that the Tx and Rx stats ...
Cisco Bug: CSCtv21900 - MGCP SRTP One Way Audio to Phone ...
https://quickview.cloudapps.cisco.com/quickview/bug/CSCtv21900
Description (partial) Symptoms: Intermittent one-way audio occurs from an MGCP gateway to a Cisco IP phone. Conditions: This symptom is observed under the following conditions: - Encrypted call with SRTP - MGCP Controlled Gateway - Cisco IOS Release 15.1 (4)M or later releases Phone logs show the following message: 6622: DBG 23:29:50.256330 DSP: …
Configure and Troubleshoot MGCP Gateways - Cisco
https://www.cisco.com/c/en/us/support/docs/voice/media-gateway-control-protocol-mgcp/214635-configure-and-troubleshoot-mgcp-gateways.html
The Media Gateway Control Protocol (MGCP) is defined by RFC 2705. MGCP is a Call Agent/Endpoint protocol, where the Endpoint is controlled by a Call Agent of some type. The entire control intelligence is controlled by a Call Agent who instructs the endpoint what action to take once an event is detected. MGCP uses TCP port 2428 and UDP port 2427.
CM to PSTN - One Way Audio - Cisco: Call Manager - Tek-Tips
https://www.tek-tips.com/viewthread.cfm?qid=1185007
I have a Cisco 2651 router with a NM-1V w/ a VIC-2FXO card. The router is configured and registered with the CallManager as a MGCP Gateway. I am able to make and receive calls, but there is only one way audio. I am able to hear the party on the other end, but they can not hear me.
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