38Configure the provisioning server
(proxy+registrar) and all subsequent messages
are sent to the new address RFC3261 - the IP Phone E assumes that,
if during registration,
a 301 (moved permanently) is received, the message contains anew registrar address. The IP Phone E tries to register to the registrar using the existing proxy.
•ENABLE_PRACK YES | NO PRACK
is utilized to make some SIPmessages reliable and requires that an ACK be sent with many SIP
messages. ENABLE_PRACK is often utilized to verify that early media is being received. See RFC 3262 for details.
Note 1: ENABLE_PRACK must beset to NO when connected to the MCS 5100 Release 3.5 system.
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