Shenzhen Ultrative Technology Co., Ltd.
T: +86-755-29685231
E: sales@ultrative.com
http://www.ultrative.cn | com
Add: 012#, 5/F, Block A, Hedong Bldg., Liutang Rd., Xixiang St., Bao An District, Shenzhen, China
52
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97
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For servers that require this.
Enable user=phone
Sets user=phone in SIP messages. For compatibility with servers
that require this.
Click to Talk
Set click to Talk (needs support from server).
Respond 182 when Call
waiting
Enable phone responds 182 instead of 180 in some SIP server
envrionment
Use VPN
Enable SIP use VPN for every line individually, not all of them
Enable DND
Enable DND for SIP line individually
SIP Global Settings
Strict Branch
Enable Strict Branch - The value of the branch must be after
“z9hG4bK” in the VIA field of the INVITE message received, or
the phone will not respond to the INVITE.
Note: This will affect all lines
Enable Group
Enable SIP Group Backup. This will affect all lines
Registration Failure Retry
Time
Registration failure retry time – If registration fails, the phone will
attempt to register again after registration failure retry time.
This will affect all lines
