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SIP clarifications

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dejanacy

Technical User
Jun 11, 2007
25
CY
Hello,

Pardon my ignorance, but can someone tell me or show me a link, about SIP trunking? (What it is, differences between SIP & IP trunks, why we use it etc) I am new to telephony and I would appreciate some help.

Thanks
 
An IP trunk between two IPO gives you a whole host of features such as blf updates, paging etc etc.

A SIP trunk between 2 IPO will only give you the ability to dial each other, nothing else, no BLF, centralized vm pro etc.

Typically however a SIP trunk is used to connect an IPO to a SIP service provider to provide internet VOIP calls. If two systems are on the same SIP provider, calls using the geographical telephone number are free.

ACA - IP Office Implement
ACS - IP Office Implement
ACE - IP Office Implement
ACI - IP Office Implement
 
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