Cisco Expressway Series User Manual

* Expressway redirects HTTPto HTTPSby default. You don't need to open the HTTP port, but you can allow HTTPfor
convenience and redirect to HTTPS.
† Expressway will attempt DNSresolution over TCPif the response is too large.
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Cisco Expressway IP Port Usage Configuration Guide

Cisco Expressway Series Specifications

General

Category	Gateway
Deployment Options	On-premises, Cloud
Protocols	SIP, H.323
Security	TLS, SRTP
Management	CLI
Virtualization	VMware
Form Factor	Appliance, Virtual
Functionality	Interoperability
Integration	Cisco Unified Communications Manager
Network Interfaces	Gigabit Ethernet