Hi Matthew,

> -----Original Message-----
> Does anyone have good pro/con on MGCP vs SIP? We are 
> currently using all SIP, however, I went to a presentation 
> today by Covad/Cisco on a new product they are unveiling and 
> Covad is using all MGCP for Phone->PBX connectivity.
> This got me thinking: If this huge established company is 
> selling VoIP turn-key solutions and they are using MGCP, why aren't I?
> 
> So, if anyone has some good reasons for using 1 or the other. 
> Please pass on. I'm sure others on the list would benefit 
> from this as well.

Pro MGCP:
MGCP signals the PBX for every keypress, allowing the PBX to do quick
matching and change dialtones etc.
This is more like the classical telephone people expect. In some SIP phones,
this is nicely covered, but not in all.

Con MGCP:
MGCP does not appear to have a widely supported method of authentication
other than MAC-address or IP-address based.

Florian

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