SIP IP Expandable Cordless Phone System with Corded Handset Base Station and 1 Cordless Handset
Model number: KX-TGP551T04
| VoIP Support | |
| IETF SIP version 2(RFC3261 ands companion RFCs) | Yes |
| BroadWorks R15 / BroadSoft | Yes |
| Asterisk | Yes (Business Edition C.x, Switch Vox Ver.4.0-4.5) |
| Voice Codec | |
| G.711a-law / G.711μ-law / G.722(wideband) / G.729a / G.726(32K) | Yes |
| Network Interface | |
| 10 / 100 base-T auto MDI / MDIX Ethernet LAN port | 2 |
| Provisioning | |
| HTTP / HTTPS / FTP / TFTP and local / remote WEB configration | Yes |
| QoS Support | |
| DSCP | Yes |
| Static VLAN | No |
| TOS | Yes |
| Keys and Indications | |
| Menu driven user interface | Yes |
| Line Status | No |
| Direct handset call buttons | Yes |
| Message waiting indicator on the base unit | No |
| RF-System | |
| US-DECT 1.92GHz - 1.93GHz (for USA and Canada) | Yes |
| EU-DECT 1.88GHz - 1.90GHz | Yes |
| Phone Features | |
| Multiple Handset | 6 |
| Multiple registration support | 8 |
| Simultaneous voice calls | 3 |
| 2.5mm Headset Jack | Yes (KX-TGP551 : on base unit and on cordless handset.) |
| Grouping Handset : Handset select for receiving call | Yes |
| Handset and Number select for making call | Yes |
| Redial | Yes |
| Do Not Disturb | Yes |
| Anonymous Call (CLIR) | Yes |
| Anonymous Call Rejection | Yes |
| Busy Lamp Field (BLF) for handsets | No |
| Calling party name and munber presentation (CLIP, CNIP) | Yes |
| Call Rejection | Yes |
| DTMF dialing during call | Yes |
| 3-Party Conferencing | Yes |
| Call Transfer | Yes |
| One touch button call Transfer | No |
| Call Hold | Yes |
| Call Forward Unconditional/User Busy/No Answer | Yes |
| Call Waiting | Yes |
| Distinctive Ringing | Yes |
| Ringtone Selection | Yes |
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