Configuring SIP, SPCP, and NAT
Configuring SPCP on the Cisco SPA525G/525G2
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 127
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STEP 5 Click Submit All Changes.
Configuring SPCP on the Cisco SPA525G/525G2
The Cisco SPA525G/525G2 can be used as part of a Cisco Unified
Communications System. This system uses SPCP (also called SCCP) for call
control features.
To configure SPCP on the Cisco SPA525G/525G2:
STEP 1 Log in to the configuration utility.
STEP 2 Click Admin Login and advanced.
STEP 3 Click the System tab.
STEP 4 Under System Configuration, in the SPA525-protocol field, choose SCCP.
Auth ID Authentication ID for SIP authentication.
Defaults to blank.
Mini Certificate Base64 encoded of Mini-Certificate concatenated with the
1024-bit public key of the CA signing the MC of all subscribers
in the group.
Defaults to blank.
SRTP Private Key Base64 encoded of the 512-bit private key per subscriber for
establishment of a secure call.
Defaults to blank.
Reversed
Authentication
Realm
The default value is empty, which means that the proxy
address is used as the authentication realm.
To use a different authentication realm, enter the IP address to
use in this field.
The parameter for extension 1 appears as follows in the
phone’s configuration file:
<Reversed_Auth_Realm_1_ ua="na">
</Reversed_Auth_Realm_1_>
Parameter Description
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