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Protocol recommendation for voice gateway connected to both PRI & SIP trunks

Posted on 2014-03-11
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Last Modified: 2014-03-12
If I want to use a single Cisco 2921 voice gateway connected to both PRI provider as primary and SIP ITSP as backup, which vg protocol would you experts recommend?  H323 or SIP?  and why?  Thanks in advance -
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Question by:Pro4ia
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José Méndez earned 500 total points
ID: 39922587
SIP.

H323 is legacy and far more complex to troubleshoot. You will find better support when troubleshooting issues for SIP too.
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by:Pro4ia
ID: 39924591
Thanks www.  Would you prefer SIP when only using PRI also?
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by:José Méndez
ID: 39924667
Yes, no problem there.
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