Technical Reference
A31003-C1000-M101-1-76A9, 03/2016
284
OpenScape Desk Phone CP200/400/600, Administrator Documentation
referenz.fm
Default Port List
4
Technical Reference
4.1
Default Port List
The following table contains all default ports, resp. port ranges, and protocols used by the ser-
vices running on OpenScape Desk Phone CP200/400/600 phones.
Service
Server De-
fault Port
Client Default
Port
Protocol Stack
Payload transport (VoIP)
5010 - 5059
5010 - 5059
RTP - RTCP
Payload transport (VoIP)
5010 - 5059
5010 - 5059
SRTP - SRTCP
SIP subscriber - TCP is used
5060
32786 - 61000
SIP / TCP
SIP subscriber - TLS is used
5061
32786 - 61000
SIP / TLS
SIP subscriber - UDP is used
5060
5060
SIP / UDP
Directory access via LDAP
---
32786 - 61000
TCP
Directory access via LDAP
---
32786 - 61000
TCP- SSL/TLS
DHCP Client
---
68
DHCP / UDP
DNS Client
---
1024 - 65535
DNS / TCP_UDP
DLS contact me service - workpoint
side
8085
---
HTTP / TCP
Default communication with the DLS
workpoint interface
---
18443
HTTPS / TCP -
SSL / TLS
Secure communication with the DLS
workpoint interface
---
18444
HTTPS / TCP -
SSL / TLS
Connection to the control port of FTP
server
21
32786 - 61000
FTP / TCP
FTP client; uses the FTP server in
active mode
32786 - 61000 20
FTP / TCP
HTTPS file download server
443
32786 - 61000
HTTPS / TCP -
SSL/TLS
Client application which sends QDC
data to the QCU
---
32786 - 61000
SNMP / UDP
Part of SNMP-Agent - sending Traps ---
32786 - 61000
SNMP / UDP
Part of SNMP-Agent - receive Set/
Get commands
161
---
SNMP / UDP
SNTP client - queries time informati-
on in unicast operation
---
123
SNTP / UDP