Connection Options
- 1 Ethernet port to connect
to LAN, Power over Ethernet (PoE) possible
- 1 Ethernet port to connect
to a PC
- 1 port for up to 3 key extension modules
COMfortel Xtension30
- Headset port with support for remote call answering/ending, e.g. for COMfortel DECT Headset
- 1 connection for external power supply
VoIP (Internet Telephony)
- SIP compliant with RFC 3261
- 2 VoIP calls simultaneously (call brokering)
- 10 SIP accounts, 4 active simultaneously
- Encoded signalling (SIPS)
- Encoded data transmission (SRTP), key interchange (SDP, RFC 4568 compliant)
- STUN (UDP over NAT)
- VoIP codecs: G.711 µ-Law/a-Law, G.723.1, G.726, G.729, GSM 6.10
(full rate)
- VoIP codec- preselection
- High audio quality with Echo Cancellation and Comfort Noise
Generation (CNG)
- Prioritisation of voice data (DiffServ)
- Online-offline status display of other SIP subscribers (SIP-Presence, RFC
3856 compliant)
- Tone dialling during a call (RFC 2833 compliant)
Display
- Graphical LCD with 128 x 64 pixels
- Automatic background illumination (white) with adjustable brightness and contrast
- Settings will be shown as symbol or text
- Time, date and week display, also during a call
- Status display, e.g. mute, activated call forwarding or InterCom
- Context sensitive display of the softkey functions
- Menu languages selectable: German, English
Security Functions
- Key lock, emergency calls possible
- Configuration lock with password protection
Call Data Management
- Cost registration of the last call and of all calls
- Charge rates can be configured
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Telephone Book
- 200 entries, each entry with:
– 3 telephone numbers max.
–
1 eMail adress
– ring tone for incoming call
– 1 standard and 1 fallback number
– SIP account for the outgoing call
- Convenient editing via web interface
- Name search in the phone book
- Up to 210 short-code dialling targets programmable as target dialling keys1
- Number and name display (CLIP/CNIP)
- List of the last 30 unsuccessful incoming calls with telephone number,
name, own number (SIP account), date and time
- List of the last 30 outgoing calls with number, name, own number (SIP
account), date and time
- Redialling of the last 30 dialled telephone numbers
Convenient Features
- 8 context sensitive softkeys for special functions of the system telephone
- 15 programmable function keys1 for:
– short-code dialling targets
– Functions (e.g. call forwarding)
–
SIP line access (SIP account selection)
- Call Waiting (CW)
- Query/brokering
- Call forwarding when busy (CFB), not responding (CFNR) or unconditional
(CFU)
- Do-not-Disturb (call protection)
- Spam/spit protection, rejection of unknown (not stored in the phone book)
or anonymous callers
- Dial preparation / dial correction
- 10 ring tones, 2 of them ca be loaded (wave format)
- Loudspeaker/handsfree mode
- Volume of ring tones, handset (receiver), headset, and speaker are
adjustable
- Muting the microphone
Installation and Maintenance
- Assistant for easy set-up of basic functions
- Web interface for configuration via web browser
- Access via Ethernet
(IP configuration with DHCP or fixed
IP adress)
- Manual or time-controlled software update via internet
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