NGN architecture and IMS standardization.
IMS elements and signalling protocols.
Using DNS records in NGN (backup, the purpose of NAPTR and SRV records, e164 mapping into the space of name identifiers - EUNUM).
Speech quality - subjective and objective assessment, MOS, intrusive and non-intrusive approach, PESQ and E-model.
Video quality assessment - subjective approach, objective PSNR and SSIM metrics.
Literature
[1] M. Voznak, Voice over IP Speech Quality and Related Issues. Gazi Academic Publishing, 1st ed., 137 p., 2017.
Advised literature
[1] M. Voznak, Architectures, Protocols and Services for IP Telephony for joint teaching programme of BUT and VSB-TUO. VSB-TUO, 1st ed., 369 p., 2014.
[2] Wilkinson, N. Next Generation Network Services: Technologies & Strategies. Wiley, 210 p., 2002.