User's Manual 364 Document #: LTRT-27045
Mediant 1000B Gateway & E-SBC
Parameter Description
Registration for Multiple Phone Numbers using GIN'' on page
364.
Note:
 Gateway application: To enable registration, you also need to
set the 'Registration Mode' parameter to Per Account in the
Trunk Group Settings table (see Configuring Trunk Group
Settings on page 467).
 The account registration is not affected by the
IsRegisterNeeded parameter.
Contact User
contact-user
[Account_ContactUser]
Defines the AOR username. This appears in REGISTER From/To
headers as ContactUser@HostName, and in INVITE/200 OK
Contact headers as ContactUser@<device's IP address>.
Note:
 If the parameter is not configured, the 'Contact User' parameter
in the IP Groups table is used instead.
 If registration fails, the user part in the INVITE Contact header
contains the source party number.
Credentials
User Name
user-name
[Account_Username]
Defines the digest MD5 Authentication username.
The valid value is a string of up to 50 characters.
Password
password
[Account_Password]
Defines the digest MD5 Authentication password.
The valid value is a string of up to 50 characters.
18.1.1 Regular Registration Mode
When you configure the registration mode in the Accounts table to Regular, the device
sends REGISTER requests to the Serving IP Group. The host name (in the SIP From/To
headers) and contact user (user in From/To and Contact headers) are taken from the
configured Accounts table upon successful registration. See the example below:
REGISTER sip:xyz SIP/2.0
Via: SIP/2.0/UDP 10.33.37.78;branch=z9hG4bKac1397582418
From: <sip:ContactUser@HostName>;tag=1c1397576231
To: <sip: ContactUser@HostName >
Call-ID: 1397568957261200022256@10.33.37.78
CSeq: 1 REGISTER
Contact: <sip:ContactUser@10.33.37.78>;expires=3600
Expires: 3600
User-Agent: Sip-Gateway/v.7.20A.000.038
Content-Length: 0
18.1.2 Single Registration for Multiple Phone Numbers using GIN
When you configure the registration mode in the Accounts table to GIN, the Global
Identifiable Number (GIN) registration method is used, according to RFC 6140. The device
performs GIN-based registration of users to a SIP registrar on behalf of a SIP PBX. In
effect, the PBX registers with the service provider, just as a directly hosted SIP endpoint
would register. However, because a PBX has multiple user agents, it needs to register a
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