VoIP Ringing SLIC; Temperature Range: -40°C to 85°C; Package: 28-PLCC T&R VoIP Ringing SLIC; Temperature Range: 0°C to 70°C; Package: 28-PLCC T&R telecom-slic, pqcc28 VoIP Ringing SLIC; Temperature Range: 0°C to 70°C; Package: 32-QFN T&R telecom-slic, PQCC32 VoIP Ringing SLIC Family