Overriding the Call Signaling Address to Connect to a Different IP-PBX

The Call Signaling Address for all Vocera SIP Telephony Gateway servers at a site is specified in the Administration Console on the Telephony > Basic Info page, as described in Configuring IP and SIP Settings.

You can use the VTGRemoteCallSignalingAddr property to override the call signaling address specified in the Administration Console, thereby letting the VSTG talk to a different IP-PBX or gateway, as shown in the following figure.

Figure 1. VSTG servers talking to different IP-PBXs
Note: If your Vocera system integrates with other internal systems that access telephony, such as an internal paging system or a nurse call system, make sure the IP-PBXs are configured consistently to support these systems.
Table 1. Remote call signaling address property

Property

Description

VTGRemoteCallSignalingAddr

Specifies the call signaling address of the IP-PBX or gateway used by this VSTG. This call signaling address overrides the one specified in the Administration Console. Enter the IP address in dotted-decimal notation (for example, 192.168.15.10).

By default, port 5060 is used. If you need to change the port, enter the call signaling address in the form IP_Address:Port.