
AAA; Reviewed:
03/19/2010
BCM Solution Test Lab
©2010 Avaya Inc. All Rights Reserved.
8 of 13
BCMR5_SIP_For_Skype.doc
2009-00002459 Page 8 of 13
5.1.3 SIP Routing Table Configuration
There are two possible ways to configure the BCM to route outbound SIP calls to the Service Provider:
• Using the Routing Table tab found by clicking on IP Trunks module in Configuration
Æ
Resources
Æ
Telephony Resources.
• Using the SIP Proxy tab found by clicking on IP Trunks module in Configuration
Æ
Resources
Æ
Telephony Resources.
This guide illustrates how to do it using the Routing table. For details of how to use the SIP Proxy tab, see the
BCM configuration guides.
1. Under Configuration
Æ
Resources
Æ
Telephony Resources; select module type “IP Trunks” and
click on the “Routing Table” tab.
2. Add a “Remote Gateway” by clicking on the “Add” button.
3. In the “Add Remote Gateway” dialog box that is displayed, configure the fields as follows:
• Description: Enter the logical name for the trunk destination
• Destination Digits: Enter digits that identify the remote system as the call destination.
• VoIP Protocol: SIP
• Domain: SIP Domain name of Skype. This is sip.skype.com
• IP Address: Leave this field blank
• Port: Leave this field blank
• GW Type: Set this field to Other.
• MCDN Protocol: Set to None.
• QoS Monitor: Leave unchecked
• Tx Threshold: Leave this field at its default value of 0.0
4. Click the OK button
5.1.4 SIP Settings Configuration
1. Under Configuration
Æ
Resources
Æ
Telephony Resources: Select module type “IP Trunks” and
click on the “SIP Settings” tab
2. In the SIP Settings sections configure the different fields as follows:
• Local Domain: sip.skype.com
• Disable maddr in Contact: Checked to disabled maddr in Contact header
• Disable OPTIONS Caps: Checked to disable OPTIONS capability request by the BCM
3. If the BCM is located behind NAT and remote NAT compensation is provided by Skype, then in the RTP
Keepalives section enable the sending of RTP keepalive by setting the following parameters as shown
below:
• Scope: RTP-RTCP
• Initial Keepalives: Enabled
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