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*astTECS SIP Gateway

*astTECS SIP Gateway gives the freedom to connect any enterprise telephony equipment to any internet based next generation network.

With the integrated E1/T1 interfaces and the E-SBC functionality the *astTECS SIP Gateway is the ideal demarcation point for the interface between the enterprise and the network for existing and new technologies.

Using a high precise 5ppm clock and multiple CODECS for voice and fax ensures full ISDN quality. With the integrated header and routing manipulation capabilities a smooth migration for all enterprise equipment and network requirement is guaranteed.

  • Scalable Solution for up to 2 E1/T1 Ports and 60 SIP channels.
  • Demarcation point for ISDN & IP PBXs
  • Full ISDN quality for voice, fax and data.
  • High precise 5ppm clock for full fax and DECT support
  • E-SBC feature set for VoIP-to-VoIP & ISDN-to-VoIP.

SIP Gateway Features

Call Routing

  • Multiple SIP registrars
  • Multilevel alternative routing
  • Black / White list
  • QoS routing

Call Manipulation

  • Header & number manipulation
  • Codec translation & transrating
  • Overlap / en-block conversion

Advanced Features

  • Integrated SIP registrar & location Server
  • Integrated E-SBC feature set
  • ISDN supplementary services Conversion
  • Advice of Charge (AoC) generation
  • Full IP routing & firewall capabilities
  • Remote provisioning
  • VPN
  • SNMP

Upgrade Your Communication Infrastructure to SIP Gateways, the Future-Proof Solution.

Technical Specifications

Hardware Specification:

Processor: Quad-core 1 GHz, 1 Gbyte RAM, 8 Gbyte Flash RAM.
Ethernet: 10/100 Mbit/s, WLAN, VLAN

ISDN: E1/T1, High precise 5ppm clock, TE/NT mode, CRC4/ double frame mode


ISDN: DSS1, Q.931, SS7, ISDN supplementary service
VoIP: SIP (RFC3261ff), G.711, G.729, G.726, Fax: T.38 & G.711, Clear Channel


Ethernet: 2 x 10/100 Base-T RJ-45, WLAN, 802.11 b/g/n
ISDN: 2 x E1/T1 Interface high precise 5ppm clock
Power: 100-240 VAC, 10W, External water supply, Low power consumption (<4kW)

Physical Parameters:

Size (WxHxD): 144 x 42 x 94
Weight: 0.3 Kg
Material: ABS
Mounting: Desktop, Wall Mountable

Environmental Conditions:

Temperature: 5°C to 40°C
Humidity: 5% to 80% (non-condensing)
Certifications: EMC, Safety, CE

Product Bundle:

Model E1 Concurrent Calls
*ast SIP 30 1 30
*ast SIP 60 2 60

Architecture of SIP Gateway

SIP gateway architecture

Fig. Architecture

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