| Attribute name | Attribute value |
|---|---|
| Interface | E1/T1/J1 |
| Supported protocols | SIP and H.248 SIP MGCP SIP |
| Security algorithms | HTTPS, IPSec, SIPS, SRTP, SSL/TLS, TLS |
| Management protocols | CAS: MF-R1: T1 CAS (E&M, Loop, Start, Feature Group-D, E911CAMA), E1 CAS (R2 MFC), R1.5; ISDN PRI: ETSI/EURO ISDN, ANSI NI2 and other variants (DMS100, 5ESS) QSIG (Basic and supplementary), IUA (SIGTRAN), VN3, VN4, VN6 |
| VoIP protocols | RTP/RTCP |
| Voice codecs | AMR, EFR, FR, G.711, G.722, G.723.1, G.726, G.727, G.729, GSM 6.10, iLBC |