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Admin Guide > CONFIGURATION > Managing ICE Gateway > Adding a SIP PBX > ICE Server - Call Manager Configuration
ICE Server - Call Manager Configuration
Important: If you have a Call Manager configured as SIP registrar, you need to delete the configuration before configuring it as a SIP Trunk. Likewise, If you have a Call Manager configured for the SIP Trunk , you need to delete the SIP Trunk configuration on Call Manager before toggling to re-use as SIP registrar as same ICE Telephony Server cannot be used in the SIP Trunk.
To configure ICE Server
1. Log in to ICE Desktop as admin user.
2. In the Settings-> Telephony > PBX tab, add your Call Manager to the ICE Server as a SIP Trunk.
A. Navigate to the Settings > Telephony > PBX tab.
B. Add or Edit the PBX System.
A screenshot of a phone Description automatically generated
C. Complete the Name and Hostname or IP Address fields. Ensure Port is 5060. Description is optional.
D. Ensure Mode is set to SIP Trunk.
E. Click Save or Update.
To configure users with an assigned directory number.
1. Navigate to Settings > People > and create or edit a user account.
2. In the user Account, select Enable Telephony.
3. In Number, create the number for this user.
4. In Call Manager, select the Call Manager you just created.
To configure channgels with an assigned directory number
1. Naviage to Settings > Channels and create or edit a channel.
2. Expand the Dial-in section.
3. Select Enable telephony.
4. In Number, create the number for this channel.
5. In Call Manager, select your Call Manager.
6. In Access Code, enter the access code (if configured).
7. Click Save.
Notes:
*DNs from one user/channel cannot be re-used for other channels/users. Each DN must be unique.
*SIP Trunk documentation on route pattern on Call Manager says * and # are used in special cases like below, so avoid * and # when configuring User and Channel DNs
*The asterisk (*) character can provide an extra digit for special dialed numbers. You can configure the route pattern 411 to provide access to the internal operator for directory assistance.
*The octothorpe (#) character generally identifies the end of the dialing sequence. The # character must be the last character in the pattern. The route pattern 901181910555# routes or blocks an international number dialed from within the NANP. The # character after the last 5 identifies this as the last digit in the sequence.