Admin Guide - VoIP software provider

4.11. PBX / IPCentrex functionalityIn addition to supporting class5 features according to sip rfc‟s, drafts and recommendations, most of the features normally held on UA areimplemented on the server side also and can be accessed by dtmf messages (client device must be able to send DTMF as INFO or RFC2833 atleast)4.11.1. Call ReroutingFailed calls (error code, no answer) will be rerouted automatically to the next device according to routing preferences.4.11.2. Ring GroupsUser devices can be configured to ring in different locations (by filling tb_users.ringgroup with phonenumbers/usernames separated by comma).Single line extensions are supported.4.11.3. Caller IDYou can setup the caller id display/hide (CLIP/CLIR) function by changing the CLI setting for the actual user.The following values can be used:0: forward always (forward asserted as normal number always!);1: normal handling (forward asserted as normal number) –default;2: forward as asserted identity always (identityrewrite asserted);3: forward as asserted identity only to trusted domains (identityrewrite asserted);4: normal hide (no idenityrewrite forwarding) ;5: force hide (no asserted identity too!).The SIP Privacy method is also supported.4.11.4. DTMFH323 gateways support the following DTMF send/receive methods:-as Q931-as String-as Tone (In-Band)