SpectraLink Radio Protocol

This page provides IP protocol information on the SpectraLink Radio Protocol (SRP) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.

SRP is the SpectraLink Radio Protocol, a proprietary protocol used by SpectraLink's wireless telephone systems for handset-to-base-station communication.

IP Protocol Details

Name
SpectraLink Radio Protocol
Abbreviation
SRP
Status
Inactive
IANA Number
119
IANA Keyword
SRP
Network Policy
Drop

IP Protocol Status - Inactive

SRP is a 1990s-era vendor protocol tied to SpectraLink wireless phone systems, and has largely been superseded by modern VoWiFi technology.

IP Protocol Network Policy

IP protocol #119 - SpectraLink Radio Protocol - is typically dropped by edge routers and firewalls. Advanced threat actors and malware families can use these non-standard IP protocol numbers for lateral movement (east-west communication) inside internal networks.