I've implemented a new UC320 in my home office. Everything is working fine but until now I'm not able to ring directly (from outside) to a specific extension. My SIP provider asked me if he shall send the whole number including extension or if he should only send the extention. What can I answer to him? We already tried both configuration with no difference.
Yes. UC320 provides the possibility for using multiple DID numbers over SIP trunks, with the following characteristics and limitations:
DID mapping is performed on the inbound (incoming) direction only, i.e. customers calling to the DID number can be mapped automatically to the mapped extension. In the outbound direction, all calls use the main trunk number.
Individual DIDs cannot be registered (SIP REGISTER) from the UC320. UC320 register the main (account) number only.
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