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SIP OPTIONS PING messages return 483 with hops=0. 200 ok with hops=70 (default)

edited Jun 11, 2014 4:14PM in Acme Packet (MOSC) 8 commentsAnswered

I am a relatively new Voice Tech in charge of setup, monitoring, and troubleshooting our company's NN3820 SBCs running ECx6.4.0 MR3 P1. 

 

I'm starting to monitor Sessions using the Web-interface 'Monitor and Trace' > Sessions after noticing that we're getting very many sessions with state = FAILED, where status received is 483 - Too Many Hops.  These are occuring in response to SIP OPTIONS Pings sent to our Carrier. 

 

In checking, i've determined we were sending these with hops=0 which i've also researched to find seems to be defacto standard for OPTIONS PING messages.  I have determined that Pings sent from our carrier to our SBCs are returning Status 200 Ok.  These also i've noticed have hops=70 which seems to be default if not specified for heartbeat / keep alive.

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