Archive for the ‘CUBE – Border Element’ Category

Scenario#32 – SIP Calls drop after 75 minutes

Posted: July 21, 2011 in Call Manager - CUCM, CUBE - Border Element, Features, H323, Miscellaneous, Real World Scenarios, SIP
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I had an interesting case where SIP calls over a SIP trunk were dropping after like 75 minutes. The duration was not confirmed as sometimes it use to drop even before 75 minutes. I looked into few CCSIP debugs (debug ccsip messages) and found that the ‘BYE’ message was actually coming from our end (Call [...]

Scenario#24 – SIP Calls drop after Silence

Posted: September 5, 2010 in Call Manager - CUCM, CUBE - Border Element, Gateways, H323, Media Resources, Miscellaneous, Real World Scenarios, SIP
Tags: , , , ,
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Came across a complex situation where customer was using this SIP trunk as an alternative to ISDN-30 (if all channels are used or if ISDN goes down). The ISDN-30 link was working fine but they had issues on SIP trunk (how many times I have heard this?) …. their outbound calls over SIP were using [...]