Aastra OpenCom 130 User Guide - Page 122

Aastra 673xi/675xi SIP Telephones, Aastra 673xi and Aastra 675xi SIP telephones, Model

Page 122 highlights

Voice over IP (VoIP) SIP Telephony Features Call transfer Blind Transfer Keypad as "INFO" message Notes before and during a call; operation must be available. SIP only: forwarding an incoming call without accepting the call; feature must be supported by SIP telephone or by the SIP software. DTMF tones cannot be securely transferred "in band" via compression codecs. Digital "out band" transferral as "INFO" SIP message or via RFC 2833/ 4733 is supported. This feature must be available and activated on a SIP telephone or in the SIP software. 9.4.3 Aastra 673xi/675xi SIP Telephones You can operate the SIP telephones of the Aastra 673xi and Aastra 675xi product families at the OpenCom 100 communications system. The firmware of the communications system already includes the matching firmware files for the following SIP telephones: Aastra 673xi and Aastra 675xi SIP telephones Model Aastra 6730i Short description Basic level version of the Aastra 673xi products, 5 volts input via wall power supply, display with 3 lines, 8 programmable keys, 2 line keys Aastra 6731i Similar to Aastra 6730i, but with 802.3af (PoE) power supply, two Ethernet ports for PC and LAN, separate 48 volts wall power supply available Aastra 6751i Aastra 6753i Basic level version of the Aastra 675xi products, display with 3 lines, 802.3af (PoE) power supply, two Ethernet ports for PC and LAN Similar to Aastra 6751i, but with headset connector, 6 programmable keys, 3 line keys, up to 3 key extensions with function keys 120

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Voice over IP (VoIP)
SIP Telephony
120
9.4.3
Aastra 673xi/675xi SIP Telephones
You can operate the SIP telephones of the Aastra 673xi and Aastra 675xi product
families at the OpenCom 100 communications system. The firmware of the com-
munications system already includes the matching firmware files for the following
SIP telephones:
Call transfer
before and during a call; operation
must be available.
Blind Transfer
SIP only: forwarding an incoming call
without accepting the call; feature
must be supported by SIP telephone or
by the SIP software.
Keypad as “INFO” message
DTMF tones cannot be securely trans-
ferred “in band” via compression co-
decs. Digital “out band” transferral as
“INFO” SIP message or via RFC 2833/
4733 is supported. This feature must be
available and activated on a SIP tele-
phone or in the SIP software.
Aastra 673xi and Aastra 675xi SIP telephones
Model
Short description
Aastra 6730i
Basic level version of the Aastra 673xi products, 5 volts input via
wall power supply, display with 3 lines, 8 programmable keys,
2 line keys
Aastra 6731i
Similar to Aastra 6730i, but with 802.3af (PoE) power supply,
two Ethernet ports for PC and LAN, separate 48 volts wall power
supply available
Aastra 6751i
Basic level version of the Aastra 675xi products, display with 3
lines, 802.3af (PoE) power supply, two Ethernet ports for PC and
LAN
Aastra 6753i
Similar to Aastra 6751i, but with headset connector,
6 programmable keys, 3 line keys, up to 3 key extensions with
function keys
Features
Notes