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- Must support RFC 3261
- Must support Re-INVITE (with and without SDP) for mid-call codec renegotiation.
- Must support Session Timer.
- Must support P-Asserted-Identity extension header to present correct caller ID during call forwarding and blind transfer operations and for anonymous calling.
SipXbridge has been tested for interoperability with several providers.
Here is a partial list of Interoperable Providers
Functional Description
The sipXbridge service is designed to be as flexible as possible when it comes to accommodating differences between ITSPs. It turns out that ITSPs still have significant variability in how things work and also adherence to the SIP standard varies. The capabilities offered by sipXbridge are designed to maximize flexibility. The following lists some of the currently available features:
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How to configure sipXbridge
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| Note |
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: Please upgrade your system to version 4.0.4 |
| Warning |
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There is an issue with the Polycomm phone firmware 3.2.1.0054 leading to issue XX-6779. This is currently being fixed by Polycom. You should refrain from upgrading to that level of firmware until this issue is resolved. |
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