Hi Fellows,

I would like you can help me to be more clear with the following.

Why a INVITE arrive to a Class4 Control Switch could not be able to route a 
INVITE that ingress without a 100rel supported parameter?

Example:
This is INVITE is not being routed by the C4.
Supported: 
X-cisco-srtp-fallback,X-cisco-original-called,timer,replaces,resource-priority


This INVITE is routed correctly by the C4.
Supported: em,100rel,timer,replaces,path,resource-priority,sdp-anat


It, is strictly that Supported always comes with 100rel?


Thanks a lot for all your help.

Regards,
Guillermo




Guillermo Zuniga
Especialista de Soporte Técnico
Gerencia de Soporte Técnico

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