Call Management Systems & Accessories
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| Features |
|---|
| Product type | IP Centrex (hosted/virtual IP) |
| SIP trunking | Yes |
| Number of users | 2000 user(s) |
| Number of simultaneous calls (max) | 200 |
| Network |
|---|
| Network address translation (NAT) | Yes |
| Ethernet LAN | Yes |
| Ethernet LAN interface type | Gigabit Ethernet |
| Ports & interfaces |
|---|
| Power over Ethernet (PoE) ports quantity | 1 |
| RJ-11 ports quantity | 8 |
| Foreign eXchange Station (FXS) ports quantity | 4 |
| Foreign eXchange Office (FXO) ports quantity | 4 |
| Ethernet LAN (RJ-45) ports | 3 |
| Call management |
|---|
| Call park | Yes |
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Call queueing | Yes |
| Call forwarding | Yes |
| Fax |
|---|
| FAX server integrated | Yes |
| Storage |
|---|
| Card reader integrated | Yes |
| Technical details |
|---|
| SIP trunking | Yes |
| Number of users | 2000 user(s) |
| Number of simultaneous calls (max) | 200 |
| Ethernet LAN | Yes |
| Power |
|---|
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| AC adapter output voltage | 12 V |
| AC adapter output current | 2 A |
| Phone features |
|---|
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Call queueing | Yes |
| Call forwarding | Yes |
| Display |
|---|
| Built-in display | Yes |
| Display type | LCD |
| Weight & dimensions |
|---|
| Width | 187.2 mm |
| Height | 46.2 mm |
| Depth | 485 mm |
| Weight | 2.49 kg |
| Package weight | 3.26 kg |
Grandstream Networks UCM6304 Private Branch Exchange (PBX) system 2000 user(s) IP Centrex (hosted/virtual IP) | Features |
|---|
| Product type | IP Centrex (hosted/virtual IP) |
| SIP trunking | Yes |
| Number of users | 2000 user(s) |
| Number of simultaneous calls (max) | 200 |
| Network |
|---|
| Network address translation (NAT) | Yes |
| Ethernet LAN | Yes |
| Ethernet LAN interface type | Gigabit Ethernet |
| Ports & interfaces |
|---|
| Power over Ethernet (PoE) ports quantity | 1 |
| RJ-11 ports quantity | 8 |
| Foreign eXchange Station (FXS) ports quantity | 4 |
| Foreign eXchange Office (FXO) ports quantity | 4 |
| Ethernet LAN (RJ-45) ports | 3 |
| Call management |
|---|
| Call park | Yes |
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Call queueing | Yes |
| Call forwarding | Yes |
| Fax |
|---|
| FAX server integrated | Yes |
| Storage |
|---|
| Card reader integrated | Yes |
| Technical details |
|---|
| SIP trunking | Yes |
| Number of users | 2000 user(s) |
| Number of simultaneous calls (max) | 200 |
| Ethernet LAN | Yes |
| Power |
|---|
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| AC adapter output voltage | 12 V |
| AC adapter output current | 2 A |
| Phone features |
|---|
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Call queueing | Yes |
| Call forwarding | Yes |
| Display |
|---|
| Built-in display | Yes |
| Display type | LCD |
| Weight & dimensions |
|---|
| Width | 187.2 mm |
| Height | 46.2 mm |
| Depth | 485 mm |
| Weight | 2.49 kg |
| Package weight | 3.26 kg |
RRP £1,127.70Save £400.15
In stock
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| Features |
|---|
| Product type | IP PBX (private & packet-switched) system |
| Product colour | Black |
| Quality of Service (QoS) support | Yes |
| Number of users | 500 user(s) |
| Network |
|---|
| Supported network protocols | SIP, TCP/UDP/IP, RTP/RTCP, IAX, ICMP, ARP, DNS, DDNS, DHCP, NTP, TFTP, SSH, HTTP/HTTPS, PPPoE, STUN, SRTP, TLS, LDAP, HDLC, HDLC-ETH, PPP, Frame Relay, IPv6, OpenVPN |
| Storage |
|---|
| Compatible memory cards | SD |
| Card reader integrated | Yes |
| Technical details |
|---|
| Product colour | Black |
| Number of users | 500 user(s) |
| Power |
|---|
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Display |
|---|
| Built-in display | Yes |
| Display type | LCD |
| Weight & dimensions |
|---|
| Width | 270 mm |
| Height | 36 mm |
| Depth | 175 mm |
| Weight | 715 g |
| Package weight | 1.21 kg |
| Operational conditions |
|---|
| Storage temperature (T-T) | -10 - 60 °C |
| Storage relative humidity (H-H) | 10 - 90% |
| Operating temperature (T-T) | 0 - 45 °C |
| Operating relative humidity (H-H) | 10 - 90% |
Grandstream Networks UCM6301 Private Branch Exchange (PBX) system 500 user(s) IP PBX (private & packet-switched) system | Features |
|---|
| Product type | IP PBX (private & packet-switched) system |
| Product colour | Black |
| Quality of Service (QoS) support | Yes |
| Number of users | 500 user(s) |
| Network |
|---|
| Supported network protocols | SIP, TCP/UDP/IP, RTP/RTCP, IAX, ICMP, ARP, DNS, DDNS, DHCP, NTP, TFTP, SSH, HTTP/HTTPS, PPPoE, STUN, SRTP, TLS, LDAP, HDLC, HDLC-ETH, PPP, Frame Relay, IPv6, OpenVPN |
| Storage |
|---|
| Compatible memory cards | SD |
| Card reader integrated | Yes |
| Technical details |
|---|
| Product colour | Black |
| Number of users | 500 user(s) |
| Power |
|---|
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Display |
|---|
| Built-in display | Yes |
| Display type | LCD |
| Weight & dimensions |
|---|
| Width | 270 mm |
| Height | 36 mm |
| Depth | 175 mm |
| Weight | 715 g |
| Package weight | 1.21 kg |
| Operational conditions |
|---|
| Storage temperature (T-T) | -10 - 60 °C |
| Storage relative humidity (H-H) | 10 - 90% |
| Operating temperature (T-T) | 0 - 45 °C |
| Operating relative humidity (H-H) | 10 - 90% |
Out of stock
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| Features |
|---|
| Product type | IP PBX (private & packet-switched) system |
| Product colour | Black |
| Quality of Service (QoS) support | Yes |
| Number of users | 1000 user(s) |
| Network |
|---|
| Supported network protocols | SIP, TCP/UDP/IP, RTP/RTCP, IAX, ICMP, ARP, DNS, DDNS, DHCP, NTP, TFTP, SSH, HTTP/HTTPS, PPPoE, STUN, SRTP, TLS, LDAP, HDLC, HDLC-ETH, PPP, Frame Relay, IPv6, OpenVPN |
| Ports & interfaces |
|---|
| USB 2.0 ports quantity | 1 |
| RJ-11 ports quantity | 2 |
| Storage |
|---|
| Compatible memory cards | SD |
| Card reader integrated | Yes |
| Technical details |
|---|
| Product colour | Black |
| Number of users | 1000 user(s) |
| Power |
|---|
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Display |
|---|
| Built-in display | Yes |
| Display type | LCD |
| Display resolution | 320 x 240 pixels |
| Weight & dimensions |
|---|
| Width | 270 mm |
| Height | 36 mm |
| Depth | 175 mm |
| Weight | 725 g |
| Package weight | 1.22 kg |
| Operational conditions |
|---|
| Storage temperature (T-T) | -10 - 60 °C |
| Storage relative humidity (H-H) | 10 - 90% |
| Operating temperature (T-T) | 0 - 45 °C |
| Operating relative humidity (H-H) | 10 - 90% |
Grandstream Networks UCM6302 Private Branch Exchange (PBX) system 1000 user(s) IP PBX (private & packet-switched) system | Features |
|---|
| Product type | IP PBX (private & packet-switched) system |
| Product colour | Black |
| Quality of Service (QoS) support | Yes |
| Number of users | 1000 user(s) |
| Network |
|---|
| Supported network protocols | SIP, TCP/UDP/IP, RTP/RTCP, IAX, ICMP, ARP, DNS, DDNS, DHCP, NTP, TFTP, SSH, HTTP/HTTPS, PPPoE, STUN, SRTP, TLS, LDAP, HDLC, HDLC-ETH, PPP, Frame Relay, IPv6, OpenVPN |
| Ports & interfaces |
|---|
| USB 2.0 ports quantity | 1 |
| RJ-11 ports quantity | 2 |
| Storage |
|---|
| Compatible memory cards | SD |
| Card reader integrated | Yes |
| Technical details |
|---|
| Product colour | Black |
| Number of users | 1000 user(s) |
| Power |
|---|
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Display |
|---|
| Built-in display | Yes |
| Display type | LCD |
| Display resolution | 320 x 240 pixels |
| Weight & dimensions |
|---|
| Width | 270 mm |
| Height | 36 mm |
| Depth | 175 mm |
| Weight | 725 g |
| Package weight | 1.22 kg |
| Operational conditions |
|---|
| Storage temperature (T-T) | -10 - 60 °C |
| Storage relative humidity (H-H) | 10 - 90% |
| Operating temperature (T-T) | 0 - 45 °C |
| Operating relative humidity (H-H) | 10 - 90% |
Out of stock
-
![]()
| Features |
|---|
| Product type | IP Centrex (hosted/virtual IP) |
| SIP trunking | Yes |
| Number of users | 2000 user(s) |
| Number of simultaneous calls (max) | 200 |
| Network |
|---|
| Network address translation (NAT) | Yes |
| Ethernet LAN | Yes |
| Ethernet LAN interface type | Gigabit Ethernet |
| Ports & interfaces |
|---|
| Power over Ethernet (PoE) ports quantity | 1 |
| Foreign eXchange Station (FXS) ports quantity | 8 |
| Foreign eXchange Office (FXO) ports quantity | 8 |
| Ethernet LAN (RJ-45) ports | 3 |
| Call management |
|---|
| Call park | Yes |
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Call queueing | Yes |
| Call forwarding | Yes |
| Fax |
|---|
| FAX server integrated | Yes |
| Storage |
|---|
| Card reader integrated | Yes |
| Technical details |
|---|
| SIP trunking | Yes |
| Number of users | 2000 user(s) |
| Number of simultaneous calls (max) | 200 |
| Ethernet LAN | Yes |
| Power |
|---|
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| AC adapter output voltage | 12 V |
| AC adapter output current | 2 A |
| Phone features |
|---|
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Call queueing | Yes |
| Call forwarding | Yes |
| Display |
|---|
| Built-in display | Yes |
| Display type | LCD |
| Weight & dimensions |
|---|
| Width | 187.2 mm |
| Height | 46.2 mm |
| Depth | 485 mm |
| Weight | 2.54 kg |
| Package weight | 3.46 kg |
Grandstream Networks UCM6308A Private Branch Exchange (PBX) system 2000 user(s) IP Centrex (hosted/virtual IP) | Features |
|---|
| Product type | IP Centrex (hosted/virtual IP) |
| SIP trunking | Yes |
| Number of users | 2000 user(s) |
| Number of simultaneous calls (max) | 200 |
| Network |
|---|
| Network address translation (NAT) | Yes |
| Ethernet LAN | Yes |
| Ethernet LAN interface type | Gigabit Ethernet |
| Ports & interfaces |
|---|
| Power over Ethernet (PoE) ports quantity | 1 |
| Foreign eXchange Station (FXS) ports quantity | 8 |
| Foreign eXchange Office (FXO) ports quantity | 8 |
| Ethernet LAN (RJ-45) ports | 3 |
| Call management |
|---|
| Call park | Yes |
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Call queueing | Yes |
| Call forwarding | Yes |
| Fax |
|---|
| FAX server integrated | Yes |
| Storage |
|---|
| Card reader integrated | Yes |
| Technical details |
|---|
| SIP trunking | Yes |
| Number of users | 2000 user(s) |
| Number of simultaneous calls (max) | 200 |
| Ethernet LAN | Yes |
| Power |
|---|
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| AC adapter output voltage | 12 V |
| AC adapter output current | 2 A |
| Phone features |
|---|
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Call queueing | Yes |
| Call forwarding | Yes |
| Display |
|---|
| Built-in display | Yes |
| Display type | LCD |
| Weight & dimensions |
|---|
| Width | 187.2 mm |
| Height | 46.2 mm |
| Depth | 485 mm |
| Weight | 2.54 kg |
| Package weight | 3.46 kg |
RRP £1,056.07Save £396.03
Out of stock
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![]()
| Features |
|---|
| Product type | IP Centrex (hosted/virtual IP) |
| SIP trunking | Yes |
| Number of users | 2000 user(s) |
| Number of simultaneous calls (max) | 200 |
| Network |
|---|
| Network address translation (NAT) | Yes |
| Ethernet LAN | Yes |
| Ethernet LAN interface type | Gigabit Ethernet |
| Ports & interfaces |
|---|
| Power over Ethernet (PoE) ports quantity | 1 |
| Foreign eXchange Station (FXS) ports quantity | 4 |
| Foreign eXchange Office (FXO) ports quantity | 4 |
| Ethernet LAN (RJ-45) ports | 3 |
| Call management |
|---|
| Call park | Yes |
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Call queueing | Yes |
| Call forwarding | Yes |
| Fax |
|---|
| FAX server integrated | Yes |
| Storage |
|---|
| Card reader integrated | Yes |
| Technical details |
|---|
| SIP trunking | Yes |
| Number of users | 2000 user(s) |
| Number of simultaneous calls (max) | 200 |
| Ethernet LAN | Yes |
| Power |
|---|
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| AC adapter output voltage | 12 V |
| AC adapter output current | 2 A |
| Phone features |
|---|
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Call queueing | Yes |
| Call forwarding | Yes |
| Display |
|---|
| Built-in display | Yes |
| Display type | LCD |
| Weight & dimensions |
|---|
| Width | 175 mm |
| Height | 36 mm |
| Depth | 270 mm |
| Weight | 775 g |
| Package weight | 1.62 kg |
Grandstream Networks UCM6304 2000 user(s) IP Centrex (hosted/virtual IP) | Features |
|---|
| Product type | IP Centrex (hosted/virtual IP) |
| SIP trunking | Yes |
| Number of users | 2000 user(s) |
| Number of simultaneous calls (max) | 200 |
| Network |
|---|
| Network address translation (NAT) | Yes |
| Ethernet LAN | Yes |
| Ethernet LAN interface type | Gigabit Ethernet |
| Ports & interfaces |
|---|
| Power over Ethernet (PoE) ports quantity | 1 |
| Foreign eXchange Station (FXS) ports quantity | 4 |
| Foreign eXchange Office (FXO) ports quantity | 4 |
| Ethernet LAN (RJ-45) ports | 3 |
| Call management |
|---|
| Call park | Yes |
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Call queueing | Yes |
| Call forwarding | Yes |
| Fax |
|---|
| FAX server integrated | Yes |
| Storage |
|---|
| Card reader integrated | Yes |
| Technical details |
|---|
| SIP trunking | Yes |
| Number of users | 2000 user(s) |
| Number of simultaneous calls (max) | 200 |
| Ethernet LAN | Yes |
| Power |
|---|
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| AC adapter output voltage | 12 V |
| AC adapter output current | 2 A |
| Phone features |
|---|
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Call queueing | Yes |
| Call forwarding | Yes |
| Display |
|---|
| Built-in display | Yes |
| Display type | LCD |
| Weight & dimensions |
|---|
| Width | 175 mm |
| Height | 36 mm |
| Depth | 270 mm |
| Weight | 775 g |
| Package weight | 1.62 kg |
Out of stock
-
![]()
| Features |
|---|
| Product type | IP Centrex (hosted/virtual IP) |
| SIP trunking | Yes |
| Number of users | 3000 user(s) |
| Number of simultaneous calls (max) | 300 |
| Network |
|---|
| Network address translation (NAT) | Yes |
| Ethernet LAN | Yes |
| Ethernet LAN interface type | Gigabit Ethernet |
| Ports & interfaces |
|---|
| RJ-11 ports quantity | 8 |
| Foreign eXchange Office (FXO) ports quantity | 8 |
| Ethernet LAN (RJ-45) ports | 3 |
| Call management |
|---|
| Call park | Yes |
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Call queueing | Yes |
| Call forwarding | Yes |
| Fax |
|---|
| FAX server integrated | Yes |
| Storage |
|---|
| Card reader integrated | Yes |
| Technical details |
|---|
| SIP trunking | Yes |
| Number of users | 3000 user(s) |
| Number of simultaneous calls (max) | 300 |
| Ethernet LAN | Yes |
| Power |
|---|
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| AC adapter output voltage | 12 V |
| AC adapter output current | 2 A |
| Phone features |
|---|
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Call queueing | Yes |
| Call forwarding | Yes |
| Display |
|---|
| Built-in display | Yes |
| Display type | LCD |
| Weight & dimensions |
|---|
| Width | 485 mm |
| Height | 46.2 mm |
| Depth | 187.2 mm |
| Weight | 2.55 kg |
| Package weight | 3.32 kg |
| Operational conditions |
|---|
| Operating temperature (T-T) | 0 - 45 °C |
| Operating relative humidity (H-H) | 10 - 90% |
Grandstream Networks UCM6308 Private Branch Exchange (PBX) system 3000 user(s) IP Centrex (hosted/virtual IP) | Features |
|---|
| Product type | IP Centrex (hosted/virtual IP) |
| SIP trunking | Yes |
| Number of users | 3000 user(s) |
| Number of simultaneous calls (max) | 300 |
| Network |
|---|
| Network address translation (NAT) | Yes |
| Ethernet LAN | Yes |
| Ethernet LAN interface type | Gigabit Ethernet |
| Ports & interfaces |
|---|
| RJ-11 ports quantity | 8 |
| Foreign eXchange Office (FXO) ports quantity | 8 |
| Ethernet LAN (RJ-45) ports | 3 |
| Call management |
|---|
| Call park | Yes |
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Call queueing | Yes |
| Call forwarding | Yes |
| Fax |
|---|
| FAX server integrated | Yes |
| Storage |
|---|
| Card reader integrated | Yes |
| Technical details |
|---|
| SIP trunking | Yes |
| Number of users | 3000 user(s) |
| Number of simultaneous calls (max) | 300 |
| Ethernet LAN | Yes |
| Power |
|---|
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| AC adapter output voltage | 12 V |
| AC adapter output current | 2 A |
| Phone features |
|---|
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Call queueing | Yes |
| Call forwarding | Yes |
| Display |
|---|
| Built-in display | Yes |
| Display type | LCD |
| Weight & dimensions |
|---|
| Width | 485 mm |
| Height | 46.2 mm |
| Depth | 187.2 mm |
| Weight | 2.55 kg |
| Package weight | 3.32 kg |
| Operational conditions |
|---|
| Operating temperature (T-T) | 0 - 45 °C |
| Operating relative humidity (H-H) | 10 - 90% |
RRP £1,324.51Save £429.57
Out of stock
-
![]()
| Features |
|---|
| Product type | IP PBX (private & packet-switched) system |
| Number of users | 1500 user(s) |
| Ports & interfaces |
|---|
| Power over Ethernet (PoE) ports quantity | 3 |
| Ethernet LAN (RJ-45) ports | 3 |
| Technical details |
|---|
| Number of users | 1500 user(s) |
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