Aastra 9143i Series Administrator's Manual page 260

IP Phone Administrator Guide
Global SIP Settings
Dynamic SIP Registration and Subscription
Afeature on the IP Phones allow an Administrator to change the account
information on a phone and have it dynamically update to the phone when the
phone is inactive (phone not being used) without having to reboot the phone. This
feature tracks the use of the phone's account so that when the phone becomes
inactive, the new information can be applied. To support this feature, an
Administrator can enable or disable a new parameter called
"dynamic sip" in the configuration files. If enabled, an Administrator can change
information such as, new registrar servers or outbound proxy servers, if required,
and apply the changes without having to reboot the end-user's phone. This feature
facilitates load balancing on a network.
When this feature is enabled, an Administrator can update the following
parameters on a phone, and the information is dynamically applied to the phone
when the phone becomes inactive:
• Registrar
• Registrar Port
• Proxy
• Proxy Port
• Authentication Name
• Username
When new account information is applied to the phone, it unsubscribes the old
subscription service. When the phone dynamically re-registers, the subscription
service also dynamically re-subscribes.
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Note: This feature does not support adding and removing accounts.
Note: ONLY BLF and MWI events support dynamic subscription on
the phones.
• Password
• Outbound Proxy
• Outbound Proxy Port
• Backup Proxy
• Backup Proxy Port
• Backup Registrar
• Backup Registrar Port
41-001160-03 Rev 00, Release 2.5