Welltech WeIIBilling 6600 V.1.5 - Manual (Page 48)

Welltech Computer Co., Ltd.
WellBilling 6600 48
− No: Always not use RTP Proxy
− Auto: Automatic decide to use RTP Proxy or not
(recommended)
NAT Group: NAT group can be used for enterprise user.
When two subscribers have same NAT group defined,
WellSIP 6500 will not use NAT Proxy when both subscribers
have same NAT group.
Max Register Time: The maximum register time when a user
is coming from public network
Max NAT Register Time: The maximum register time when a
user is sited behind NAT
First Response Time: The maximum time to wait for
response. It’s depended on the network speed
No Answer Timer: The maximum time (in second) to wait the
remote party answer (pick up phone)
Max Contact Allowed: The maximum contact allowed for a
subscriber. The new contact will not able to register when
old one doesn’t free up.
Pickup Group: The pickup group number
Device_1, 2: Allowed device to be connected to WellSIP
6500.
Max Concurrent Call: The maximum of concurrent call
Call Validation: The call validation type: none, update or
invite
− None: disable call validation features
− Update: Use SIP UPDATE instead of INVITE
− Invite: Use SIP INVITE message for call validation
Remove Tag for Cancel: When cancel the call, remove the
“to tag” (for CISCO device only)
Disallow Register From NAT: Enable this option will not
allow a subscriber to register behind NAT. In other words,
this subscriber will never consume the RTP resource.
Service:
Click on the Service button when you want to modify telephony
service.