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HT-503
HT-503 GRANDSTREAM GrandStream s Hybrid VoIP Adapter with 2 Ports (FXS/FXO)
The HT503 is an analog telephone adapter featuring 1 analog telephone FXS port and 1 PSTN line FXO port in order to offer backup lifeline support using a PSTN line. The integration of a FXO and FXS port enables remote call origination and termination to and from the PSTN line known as hop-on and hopoff calling. The 1 FXS port allows for extension of a VoIP service to 1 analog phone.
Interfaces:
- 2 FXS (RJ-11) ports for the connection of conventional analog phones.
- Network port LAN and WAN 10/100 Mbps (RJ-45).
- LED indicators for phone 1 phone 2 LAN and WAN.
- Reset button.
Voice fax and modem:
- 2 Lines (SIP profiles) and 3 way conference.
- Telephone functions: call transfer call forward call-waiting do not
disturb message waiting indication multilanguage promtps flexible dial plan and more.
- Fax over IP: Compatible with protocol T.38 for Fax up to 14.4 kbps.
- Voice codecs: G.711 (I and II) G.723.1A G.729A/B/E G.728 and G.726.
Administration and Security:
- Failover in case connection is lost with the main SIP server it automatically changes to the secondary server.
- Compatible with SYSLOG Telnet and remote managemend via web browser.
- Security: SRTP TLS SIPS HTTPS.
- QoS Layer 2 (802.1Q 802.1P) and QoS Layer 3 (ToS Di Serv MPLS).
Compliance:
FCC (Part 68 & 15B) C-Tick AS/NZS CISPR22 CISPR24 CE EN55022 EN55024 TBR21 EN60950 EN61000-3-2 EN61000-3-3 UL (power supply).
Physical and Electrical Characteristics:
- Supported temperature range: 0 °C up to 40 °C.
- Power supply: 12 Vcc 0.5 A
- Dimensions: 115 x 25 x 75 mm.
2024-02-23 11:55:24
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