Cisco Cisco 525 Panduan Administrator - Halaman 6

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Connecting to your router

Before connecting the service, make sure your router is set up to perform NAT (Network Address

Translation) and act as a DHCP server - normally a default setting on most routers (a fixed IP address

is not supported).

Next, plug the Ethernet cable from the phone into your router. Once powered up, an IP address should

automatically be allocated to the phone through DHCP. It's also important to make sure the following

ports are not blocked by the firewall within your router or at any point through your access provider.

80 TCP

443 TCP

53 UDP

123 UDP

If any of these ports are not open - i.e. a network based or company firewall is blocking them -

Horizon will not work.

Access to the Horizon platform also needs unrestricted phone access to the following Internet

Protocols within the Gamma network. The initial remote access request from the handsets, once

plugged in, will be to resolve one of these URLs:

All these URLs will resolve to one of the following IP addresses:

Provisioning IP's = 88.215.61.171 & 173, 88.215.61.193 & 194 -

The Gamma Access SBC (general call traffic), ntp.business-access.co.uk (88.215.61.81 or 82)

Nomis Connections, Connections House, 11a Kings Road, Fleet, Hampshire, GU51 3AA

0844 880 9900

0844 880 0009

http://xsp.unlimitedhorizon.co.uk:80/dms/Cisco_502d/502.xml

http://xsp.unlimitedhorizon.co.uk:80/dms/Cisco_504d/504.xml

http://xsp.unlimitedhorizon.co.uk:80/dms/Cisco_501d/501.xml

http://xsp.unlimitedhorizon.co.uk:80/dms/Cisco_2102/2102.xml

http://xsp.unlimitedhorizon.co.uk:80/dms/Cisco_525d/525.xml

http://xsp.unlimitedhorizon.co.uk:80/dms/Cisco_122/122.xml

[email protected]

10000 to 60000 UDP

ICMP

SIP ALG disabled

5060 &5062 TCP/UDP