In this section:
The Legacy Mobile Station Domain (LMSD) or 3GPP2 defines the Session Initiation Protocol (SIP) inter-working with CDMA network for IP-based trunking between CDMA Mobile Switching Centers (MSC) to enable Transcoder Free Operations (TrFO). When the SBC is not configured with tone profiles, call interworking is accomplished by additional configurations. For more information on LMSD interworking, refer to LMSD Interworking without Tones.
To configure LMSD interworking without tones on the EMA:
Log onto the EMA.
To configure LMSD interworking without tones on the PSX Manager:
Log onto the RAMP.
Select the Default_LMSD profile.