The address list and station portability capability also make station number portability possible.
Assume a situation where the company has multiple locations in London and New York, that share
a corporate IP network. Users want to take the phones from the London office to New York office.
When the user starts the phones in the new location, the local DHCP server usually routes the
user to the local call server. The local DHCP server if configured correctly, registers the user with
call server IP address in London.
For details on administration of DHCP servers for lists of alternate call servers, router/gateways,
and HTTP/HTTPS servers, see
Server Administration on page 50.
For more information on DNS addressing, see
DNS Addressing on page 104.
TCP/UDP Port utilization
9600 Series IP Deskphones use many protocols, particularly TCP (Transmission Control
Protocol), UDP (User Datagram Protocol), and TLS (Transport Layer Security) to communicate
with other equipment in the network. Part of this communication identifies which TCP or UDP port
each piece of equipment uses to support each protocol and each task within the protocol. For
more TCP/UDP port utilization information related to Communication Manager, see
UDP Port
Selection on page 40.
Depending on your network, you must know what ports or ranges to use in the phone operation.
Knowing these ports or ranges helps you administer your networking infrastructure. For additional
information, see the
Avaya port matrix and the Avaya website.
Note:
Often, the phones use ports defined by IETF or other standards bodies.
For more information about parameters and settings, see Administering Options for 9600 Series
H.323 Deskphones on page 70.
Table 3: Received packets (Destination = 9600 Series IP Deskphones)
Destination port
Source port Use UDP or TCP?
The number used in the Source
Port field of Qtest packets sent by
the phone
7 Received Qtest messages UDP
22 Any Packets received by the SSH
server of the phone
TCP
The number used in the Source
Port field of DNS packets sent by
the phone
Any Received DNS messages UDP
The number used in the Source
Port field of the packets sent by
the HTTP client on the phone
Any Packets received by the HTTP
client on the phone
TCP
PUSHPORT Any Packets received by the HTTP
server of the phone
TCP
Table continues…
Network requirements
March 2018 Administering Avaya 9608/9608G/9611G/9621G/9641G/9641GS IP Deskphones H.
323 31
Comments on this document? infodev@avaya.com
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