Grandstream Networks HT502 User Manual

P a g e | 53
HT502 User Manual
Delay
default is 0.
Proxy-Require
SIP Extension to notify SIP server that the unit is behind the NAT/Firewall.
Use NAT IP
NAT IP address used in SIP/SDP message. Default is blank.
Use SIP User-Agent
Header
Used to replace SIP User-Agent Header (No Default)
Distinctive Ring Tone
Custom Ring Tone 1 to 3 with associate Caller ID: when selected, if Caller ID is
configured, then the device will ONLY uses this ring tone when the incoming call
is from the Caller ID. System Ring Tone is used for all other calls. When
selected but no Caller ID is configured, the selected ring tone will be used for
all incoming calls. Distinctive ring tones can be configured not only for matching
a whole number, but also for matching prefixes. In this case symbol * (star) will
be used.
For example:
if configured as *617, Ring Tone 1 will be used in case of call arrived from the
area code 617. Any other incoming call will ring using cadence defined in
parameter System Ring Cadence located under Advanced Settings
Configuration page.
Note: If server supports Alert-Info header and standard ring tone set (Bellcore)
or distinctive ring tone 1-10 is specified, then the ring tone in the Alert-Info
header from server will be used. Bellcore rings and tones are independent from
custom ring tones. The custom ring tones can also be specified by alert-info
header, for example
Alert-Info: <http://127.0.0.1>;info=ring5

Grandstream Networks HT502 Specifications

General

Brand	Grandstream Networks
Model	HT502
Category	Telephone Accessories
Language	English