Cisco Cisco Expressway
8.
Configure the SIP Information fields as follows:
Destination address is an
SRV
SRV
Select this check box if a domain is specified for the destination address, and
the DNS server uses DNS SRV records to direct the domain to a cluster of
Expressways.
the DNS server uses DNS SRV records to direct the domain to a cluster of
Expressways.
Do not select this check box if an IP address is specified as the Destination
address.
address.
Destination address
<FQDN of Expressway / Expressway cluster>. Alternatively you can enter the
<IP address of Expressway>. If you are not using SRV records and need to
specify multiple peers, click
<IP address of Expressway>. If you are not using SRV records and need to
specify multiple peers, click
to add extra Destination address rows.
here.
Destination port
5060 (this displays as zero if you are using SRV records)
Presence Group
Standard Presence Group (or whichever presence group has been configured
in System > Presence Group)
in System > Presence Group)
SIP Trunk Security Profile
Non Secure SIP Trunk Profile
SIP Profile
Standard SIP Profile for Cisco VCS
DTMF Signaling Method
RFC 2833
Normalization Script
vcs-interop (if available, the vcs-interop script may be used with Expressway)
Note:
You must apply SIP normalization to any trunk to Expressway, even if the
trunk is only used for voice.
9.
Click Save.
10.
Click Reset.
11.
Click Reset.
Configuring the Cluster Fully Qualified Domain Name
Unified CM must be configured with a Cluster Fully Qualified Domain Name so that it can receive calls to addresses
in the format <address>@domain. (It is also required when Unified CM is clustered so that Expressway can send the
call to any Unified CM node.)
in the format <address>@domain. (It is also required when Unified CM is clustered so that Expressway can send the
call to any Unified CM node.)
1.
Go to System > Enterprise parameters, and find the Clusterwide Domain Configuration section.
2.
Set the Cluster Fully Qualified Domain Name to the same domain as the video network, for example
exp.domain.
exp.domain.
This parameter defines one or more Fully Qualified Domain Names (FQDNs) for this cluster. Multiple FQDNs
must be separated by a space. Requests containing URLs (for example, SIP calls) whose host portion matches
any of the FQDNs in this parameter will be recognized as a request destined for this cluster and/or devices
attached to it.
must be separated by a space. Requests containing URLs (for example, SIP calls) whose host portion matches
any of the FQDNs in this parameter will be recognized as a request destined for this cluster and/or devices
attached to it.
3.
Click Save.
13
Cisco Expressway SIP Trunk to Unified CM Deployment Guide
Configuring Unified CM for an Expressway Trunk