Expressways

Question 1

intra cluster round trip delay

Answer 1

15ms one way / 30 ms round trip

Question 2

max numer of nodes in a cluster

Answer 2

6

Question 3

Expressway small to medium capacity

Answer 3

up to 2500 local/proxied registrations

up to 100 video calls/ 200 audio calls

Question 4

Expressway Large Capacity

Answer 4

up to 2500 local/proxied SIP registrations

up to 500 video calls/ 1000 audio calls

Question 5

B2B - DNS requirements

Answer 5

_sips - 5061/ TCP => Expressway E FQDN
_sip - 5060/TCP => Expressway E FQDN

A records for FQDN to external IP address

Question 6

Expressway Media Ports - Small to medium

Answer 6

Expressway C - 36000,59999

Expressway E - 2776-2777

Question 7

Expressway Media Ports - Large

Answer 7

Expressway C - 36000-59999

Expressway E - 36000-36011

Question 8

Expressway internal firewall ports

Answer 8

TCP - 7001
UDP - 2776 to 2777 / 36000 - 36011
XMPP
TCP 7400
https TCP 2222

Question 9

Expressway external firewall ports

Answer 9

• SIP TCP 5061
• HTTPS
• TCP 8443
• TCP 5222
• Media UDP 36002 to 59999