Users500 Concurrent Calls (Max)80 Analog Ports (Max)16 GSM Ports (Max)8 UMTS Ports (Max)8 BRI Ports (Max)8 E1/T1/J10/1/2 LAN1 10/100/1000Mbps WAN1 10/100/1000Mbps VoIP Trunks128 IVR64 VoicemailDefault 3000 min (upgradable) ProtocolSIP (RFC3261), IAX2 Transport ProtocolUDP, TCP, TLS, SRTP Audio CodecG711 (alaw/ulaw), G722, G726, G729A, GSM, Speex, ADPCM Video CodecH263, H263P, H264, MPEG4 DTMFIn-band, RFC2833, SIP INFO IP ServicesDDNS, DHCP, Firewall, OpenVPN, PPPoE, QoS, Static IP, Static NAT, Static Route, STUN, VLAN One Touch Record (Manual)Support Call Recording (Auto)Support RedundancySupport MyTwinsSupport Audio In/Out– T.38 FaxSupport SMS to Mail/Mail to SMSSupport Add-onsSupport Hard Disk2.5 inch SATA2 USB1 TF Card Slot– Dimensions (L × W × H) (mm)440 × 280 × 44 Weight3.4 kg PowerAC 100-240V (DC 12V 5A) | Attended Transfer Blacklist Blind Transfer BLF Support Call Back Call Detail Records Call Forwarding Call Pickup Call Routing Call Waiting Caller ID Conference Define Business Hours Dial by Name DISA (Direct Inward System Access) Distinctive Ringtone DNIS Do Not Disturb Fax to Email Firewall Follow me IP Blacklist LDAP IVR (Interactive Voice Response) Intercom/Zone Intercom Mobility Extension Music on Hold Paging/Zone Paging Phone Provisioning PIN User Queue Ring Group Skype Integration Speed Dial Spy Functions Three-way Calling Video Calls Voicemail Voicemail to email Web-based control panel
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