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Table 1 Protocols and technical settings used in PAH-TC for videoconferencing

From: Establishing a centralised telehealth service increases telehealth activity at a tertiary hospital

Call standards: H.323, H.320, SIP
Video protocols: H.264, H.263, H.261 (minimum video protocol - H.261)
Audio protocols: G.722, G.722.1, G.723.1, G.728, G.729, AAC-LC, AAC-LD, G.711 (minimum audio protocol - G.711)
Data: H.239
Encryption: AES-128
Transmission: H.225, H.245, H.460