IES-1248-51V Support Notes
5
Parameters specially for VoIP service
The IES-1248-51V is different form other xDSL series pizza-box. Following table
display some novel attributes in IES-1248-51V only. Operators should be careful with
these parameters while deploying VoIP.
Item
Description
IP Address
A unique IP address for IES-1248-51V
DNS
Specify the IP address of the Domain Name System server for VoIP
service. You do not need to enter this if your SIP server uses IP
addresses in SIP messages (not domain names).
Default VoIP
Gateway
Define the default outgoing gateway for VoIP service.
SIP profile
1. Setup the SIP IP / Domain Name of sip server, registrar IP and
proxy server IP. The default port number is 5060 but can be
customized in both SIP server and the IES-1248-51V.
2. “URI Type” can be “sip” or “tel”, it’s used in the signaling packet
header and SIP server must recognize the URI format when read the
packets. Otherwise the requests will be discarded if SIP server
cannot support. Default “URI Type” is SIP.
3. “802.1p Priority” (0~7) and “DSCP” (Differentiated Service Code
Point, 0~63) are used to define the QoS in VLAN tag and IP header
respectively.
4. “Keep Alive” is defined in RFC4028 as a keep-alive mechanism
for SIP sessions. UAs send periodic re-INVITE or UPDATE
requests to keep the session alive. In “Session Expiration”, you can
enter the minimum number of seconds after which the IES tears
down the session (if no successful session refresh has occurred).
5. “Provisional Response ACK” is used to set whether the IES sends
provisional acknowledgment messages (ON), or does not send them
(OFF).
Call service profile
This setting allows operator to define the authentication password
and what call features to be active/inactive.
1. “Name” is the name of this call service profile. If you select
“ON” in the Password for SIP Registration field, the name is also
used for user authentication.
All contents copyright (c) 2007 ZyXEL Communications Corporation.