Analog telephone adapter Grandstream Handy Tone 503 (HT503)
Brand | Grandstream |
Model | HT503 |
Protocol | SIPv2 |
Codecs | G.711 (a-law / µ-law), G.729E, G.729 (A/B/E), G.723.1, G.726-40/32/24/16 and iLBC; Echo cancellation: G.168 compatible. |
Fax support | G.711, Real Time/Secured T.38 Fax relay. |
Ports | IP interface: 1xLAN (1 RJ-45 10Base-T Ethernet port); 1xWAN (1 RJ-45 10Base-T Ethernet port, DHCP server, NAT); Analog interface: 1xFXS(1 RJ-11 telephone port); 1xFXO(1 RJ-11 telephone port); Dial: DTMF; |
Call functions | Caller ID, call waiting, 3-way conferencing, call transfer, do not disturb, voicemail. |
Other | Remote control via IP; Power supply: 100-240V (network); 12VDC, 0.5A maximum; Operating temperature: 0-40°C; Size: (WxDxH) 75x115x25 mm; Weight: 310g |
Warranty | 1 Year |