User`s manual

SIP User's Manual 5. Web Management
Version 5.0 69 December 2006
Table 5-4: Proxy & Registration Parameters (continues on pages 66 to 71)
Parameter Description
Proxy DNS Query Type
[ProxyDNSQueryType]
Enables the use of DNS Naming Authority Pointer (NAPTR) and Service Record
(SRV) queries to discover Proxy servers.
Valid options include:
[0] = A-Record (default)
[1] = SRV
[2] = NAPTR
If set to A-Record, no NAPTR or SRV queries are performed.
If set to SRV and the Proxy IP address parameter contains a domain name without
port definition (e.g., ProxyIP = domain.com), an SRV query is performed. The SRV
query returns up to four Proxy host names and their weights. The gateway then
performs DNS A-record queries for each Proxy host name (according to the received
weights) to locate up to four Proxy IP addresses. Therefore, if the first SRV query
returns two domain names, and the A-record queries return two IP addresses each,
no more searches are performed.
If set to NAPTR, an NAPTR query is performed. If it is successful, an SRV query is
sent according to the information received in the NAPTR response. If the NAPTR
query fails, an SRV query is performed according to the configured transport type.
If the Proxy IP address parameter contains a domain name with port definition (e.g.,
ProxyIP = domain.com:5080), the gateway performs a regular DNS A-record query.
Note: When enabled, NAPTR/SRV queries are used to discover Proxy servers even
if the parameter DNSQueryType is disabled.
Enable Proxy SRV
Queries
[EnableProxySRVQuery]
This parameter is now obsolete. Please use the parameter ProxyDNSQueryType.
Redundancy Mode
[ProxyRedundancyMod
e]
Parking [0] = Gateway continues working with the last active Proxy until the next
failure (default).
Homing [1] = Gateway always tries to work with the primary Proxy server (switches
back to the main Proxy whenever it is available).
Note: To use ProxyRedundancyMode, enable Keep-alive with Proxy option
(EnableProxyKeepAlive=1 or 2).
Is Proxy Trusted
[IsTrustedProxy]
This parameter isn’t applicable and must always be set to ‘Yes’ [1].
The parameter ‘AssertedIdMode’ should be used instead.
Enable Registration
[IsRegisterNeeded]
No
[0] = Gateway doesn’t register to Proxy / Registrar (default).
Yes
[1] = Gateway registers to Proxy / Registrar when the device is powered up and
every RegistrationTime seconds.
Note: The gateway sends a REGISTER request for each channel or for the entire
gateway (according to the AuthenticationMode parameter).
Registrar Name
[RegistrarName]
Registrar Domain Name.
If specified, the name is used as Request-URI in REGISTER messages.
If isn’t specified (default), the Registrar IP address or Proxy name or Proxy IP
address is used instead.
Registrar IP Address
[RegistrarIP]
IP address and optionally port number of Registrar server.
Enter the IP address in dotted format notation, for example 201.10.8.1:<5080>.
Note 1: If not specified, the REGISTER request is sent to the primary Proxy server
(refer to ‘Proxy IP address’ parameter).
Note 2: When port number is specified, DNS NAPTR/SRV queries aren’t performed,
even if ‘DNSQueryType' is set to 1.
Registration Time
[RegistrationTime]
Defines the time (in seconds) for which registration to a Proxy server is valid. The
value is used in the header ‘Expires‘. In addition, this parameter defines the time
interval between Keep-Alive messages when EnableProxyKeepAlive = 2
(REGISTER).
Typically, a value of 3600 should be assigned for one hour registration.
The gateway resumes registration according to the parameter
RegistrationTimeDivider.
The default value is 180. The valid range is 10 to 2000000.