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Expressway-E fails to locate CMR-Cloud using SIP

Filippo Zangheri
Level 1
Level 1

‎07-25-2015 01:53 AM - edited ‎03-18-2019 04:46 AM

Expressway-C/E pair version X8.5.2 cannot locate CMR-Cloud using SIP protocol but correctly locates it via H.323.

Anyways, call goes through in SIP.

 

Anyone with same issue?

Thanks.

 

--

Filippo

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Manish Gogna
Cisco Employee
Cisco Employee

‎07-28-2015 08:55 PM

Hi Filippo,

Make sure that the port range for Cisco Expressway-E, Cisco VCS Expressway, or other edge traversal devices and firewalls allows the following:


>> Inbound SIP signaling traffic from the WebEx cloud over TCP for ports 5060 and 5061

>> outbound SIP signaling traffic to the WebEx cloud over TCP for the ports 5060 – 5070

 

Try reducing the SIP TCP timeout as explined in the following guide ( pages 11-12 )

http://www.cisco.com/c/dam/en/us/td/docs/telepresence/infrastructure/solutions/cmrcloud/CMRCloudEnterpriseDeployment.pdf


Manish
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