Akuvox R27 series User Manual

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when there is an incoming call for designated account.
 Ringtones: Choose the ringtone for each account.
 Provisioning Response ACK: 100% reliability for all
provisional messages, this means it will send ACK every
time the IP phone receives a provisional SIP message
from SIP server.
 User=phone: If enabled, IP phone will send user=phone
within SIP message.
 PTime: Interval time between two consecutive RTP
packets.
 Anonymous Call: If enabled, all outgoing call for the
designated account will be anonymous number.
 Anonymous Call Rejection: If enabled, all incoming
anonymous-out call for the designated account will be
rejected.
 Is escape non Ascii character: To transfer the symbol to
Ascii character.
 Missed Call Log: To display the miss call log.
 Prevent SIP Hacking: Enable to prevent SIP from hacking.
Session Timer
To display or configure session timer settings.
 Active: To enable or disable this feature, If enable, the
on going call will be disconnected automatically once
the session expired unless it’s been refreshed by UAC or
UAS.
 Session Expire: Configure session expire time.
 Session Refresher: To configure who should be response
for refreshing a session.
Note: UAC means User Agent Client, here stands for IP
phone. UAS means User Agent Server, here stands for SIP
server.
BLF List
To display or configure BLF List URI address.
 BLF List URI: BLF List is short for Busy Lamp Field List.
 BLFList PickUp Code: To set the BLF pick up code.
 BLFList BargeIn Code : To set the BLF barge in code.
Encryption
To enable or disabled SRTP feature.
 Voice Encryption(SRTP): If enabled, all audio signal
(technically speaking it’s RTP streams) will be encrypted
for more security.
NAT
To display NAT-related settings.
 UDP Keep Alive message: If enabled, IP phone will send
UDP keep-alive message periodically to router to keep
NAT port alive.
 UDP Alive Msg Interval: Keepalive message interval.
 Rport: Remote Port, if enabled, it will add Remote Port

Akuvox R27 series Specifications

General

Brand	Akuvox
Model	R27 series
Category	Intercom System
Language	English