Ports and Protocols of Third-Party Products

The information about third-party products is given for convenience without any guarantee of accuracy, and it is subject to change without notice. Refer to the manufacturer for authorized information regarding each device, model and version.

Server Components and Services

Windows authentication is used by default for communication towards SQL databases, and it is also strongly recommended. See Microsoft Windows documentation about issues concerning SQL and authentication.


Component/Service	Default Local Port	Remark	Usage
MS SQL SERVER	1433	Configurable	Database queries
Internet Information Server (IIS)	80 or 443	Configurable	Web Access

SytelCo Dialer


TCP/UDP	Default Local Port	Remark	Usage
TCP	6502	Configurable	Outbound campaign call control

PSTN Gateways

Table 1. Cisco 3600, 2800 and 2600
TCP/UDP	Default Local Port	Remark	Usage
TCP	1720	-	H.225
TCP	Dynamic	-	H.245 (only if not tunneled)
UDP or TCP	5060	-	SIP
UDP	16384 – 32766	Even ports, configurable	RTP
UDP	16385 – 32767	Odd ports, configurable	RTCP (RTP port +1)

Either H.323(225/245) or SIP

Table 2. Innovaphone Tiptel IP 3000 Gateways
TCP/UDP	Default Local Port	Remark	Usage
TCP	1720	-	H.225
TCP	Dynamic	-	H.245 (only if not tunneled)
UDP	Base + count	Even ports, configurable	RTP
UDP	Base + count	Odd ports, configurable	RTCP (RTP port +1)

Table 3. Audiocodes Mediant 2000
TCP/UDP	Default Local Port	Remark	Usage
TCP	1720	-	H.225
TCP	Dynamic	-	H.245 (only if not tunneled)
UDP or TCP	5060	-	SIP
UDP	Base + count	Even ports, configurable	RTP
UDP	Base + count	Even ports, configurable	RTCP (RTP port +1)

Either H.323(225/245) or SIP

SIP Phones

The following pieces of information apply to most SIP desk phones. See information provided by the phone manufacturer for information on your phone version and model.


TCP/UDP	Default Local Port	Remark	Usage
UDP	16384 – 32766	Odd ports, configurable	RTP – SIP Phone
UDP	16385 – 32767	Even ports, configurable	RTCP – SIP Phone (RTP port +1)