Technical specification - C-Vox

VoIP Signalling and media

Internet protocol information

SIP over UDP port 5060

RTP over UDP ports 10000-20000

Type of service (TOS) – signalling: 0x18 (DiffServ CS3)

Type of service (TOS) – media: 0xB8 (DiffServ EF)

Codecs

G.711U/A

G.722

G.726-32

G.729A

GSM

CPE

Telephone device compatibility

Linksys SPA9xx series

Cisco SPA5xx series

Polycom SoundPoint IP 3xx, 4xx, 5xx, 6xx

Siemens Gigaset A580IP

Symbian S60 third edition or greater e.g. Nokia E series

Sipdroid (Android operating system)

iSip (Apple iPhone)

Counterpath X-Lite, Eyebeam, Bria

GlobalIPTel Ninja and variants

Attractel Zoiper and variants

Other SIP devices may operate with our service but have not been tested

Router

Recommended specifications:

Minimum 100BASE-TX

QoS – based queueing

Switch

Recommended specifications:

Minimum 100BASE-TX

Port-based and 802.1Q Tag-based VLAN support

QoS – based queueing

802.3af (PoE) if using PoE compatible hardware