Recorded Voice Announcements (RVA) and Media Streaming

Default media file support

Feature

Capacity / Limitations

Max RVA sessions

2000

RVA file formats

WAVE audio, ITU G.711 A-law, mono 8000 Hz WAVE audio, ITU G.711 mu-law, mono 8000 Hz WAVE audio, PCM, 16-bit, mono 8000 Hz

WAVE audio, PCM, 16-bit, mono 16000 Hz

RVA max files

1000

RVA max file size

120 Mbyte (corresponds to about 3 hours)

Media file support when “media_server” and “media_server_message” configured

Feature

Capacity / Limitations

Max RVA sessions

No fixed limit

File formats (local and remote files, and streams)

WAVE audio, ITU G.711 A/mu-law, mono/stereo

WAVE audio, PCM, 16-bit signed/unsigned, mono/stereo

Ogg/Vorbis

Ogg/Opus

MPEG Audio Layer 3 (MP3)

Max files (locally)

1000

Max files (network)

Not limited by Media Server

Max file size (locally)

120 Mbyte

Max file size (network)

Not limited by Media Server

MIME-type (network streaming)

Application/ogg Audio/x-wav

Audio/MPEG

Supported URI schemes (streaming sources)

file:///filename (locally stored file in media server) http://host[:port]/stream (remote stream) http://host[:port]/filename (remotely stored file) alsa:///device (ALSA device connected to server)

oss:///device (OSS device connected to server)