Our VOIP provider says that their systems will have problems if any routers between us & them have SIP ALG enabled. We are certain it is off on our firewall & our landlord says it is off on theirs - ...
A team of 20 iLabs engineers spent eight days running more than 1,100 SIP interoperability tests, and the conclusion is that having multi-vendor VoIP devices work together is by no means a given. Last ...
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