G4000 : Technical characteristics

Technical characteristics

• IP signal: H.323 and SIP
  
• PSTN signal: EuroISDN, QSIG, VN4, N1/N2, DSS1
  
• PSTN interfaces: 1,2,4,5,8 BRI or 1,2 PRI (2 to 60 B channels)
  
• Interface mode: TE (subscriber) or NT (network) 
• Voice codecs: G.711Alaw / G.711Ulaw
• Fax : T37 (Fax2Email / Email2Fax)
• Data : V110 / 3.1 KHz / TCP tunnels