Users 500

Concurrent Calls (Max) 80

Analog Ports (Max) 16

GSM Ports (Max) 8

UMTS Ports (Max) 8

BRI Ports (Max) 8

E1/T1/J1 0/1/2

LAN 1 10/100/1000Mbps

WAN 1 10/100/1000Mbps

VoIP Trunks 128

IVR 64

Voicemail Default 3000 min (upgradable)

Protocol SIP (RFC3261), IAX2

Transport Protocol UDP, TCP, TLS, SRTP

Audio Codec G711 (alaw/ulaw), G722, G726, G729A, GSM, Speex, ADPCM

Video Codec H263, H263P, H264, MPEG4

DTMF In-band, RFC2833, SIP INFO

IP Services DDNS, DHCP, Firewall, OpenVPN, PPPoE, QoS, Static IP, Static NAT, Static Route, STUN, VLAN

One Touch Record (Manual) Support

Call Recording (Auto) Support

Redundancy Support

MyTwins Support

Audio In/Out –

T.38 Fax Support

SMS to Mail/Mail to SMS Support

Add-ons Support

Hard Disk 2.5 inch SATA2

USB 1

TF Card Slot –

Dimensions (L × W × H) (mm) 440 × 280 × 44

Weight 3.4 kg

Power AC 100-240V (DC 12V 5A)

| yealink ip phone  hk | grandstream | grandstream hk |phone system solution | voip solution | mypbx solution | 

| ipphone solution | pbx solution | 

| call canter hk | call manager  hk | voip system  hk | voip phone hk | sip phone hk | sip ip phone  hk |  

| voip system hk | telephone system hk | video telefono grandstream | video conference | video conference system | 

| zoom video conference | zoom meeting | zoom hk |

| contact center hk | phone center hk | videophone system | video telephone | voip center | ippbx | ip pabx | 

| crm system hk | crm manager hk | crm solution | contact solution | ip telephone | conference video solution |

| intimate system  | pa system | Broadcast system | 

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| 網絡電話 香港 | 聯絡中心系統 香港 |視像會議 | 視像會議系統 | 視頻會議 | zoom會議 | zoom 視像會議 | 

| crm 系統 | 香港 crm | 管理系統 香港 | 廣播系統 | 廣播系統 香港 | 客戶中心解決方案 | pbx解決方案 | 客戶聯絡解決方案|