# 音声

詳細な仕様、機能、技術情報については、以下の音声製品データシートをご覧ください。

* [オンデマンド音声ポータル](/colt-docs/ja/datasheets/yin-sheng/ondemandoptaru.md)
* [卸売SIP](/colt-docs/ja/datasheets/yin-sheng/xie-mai-sip.md)
* [インテリジェント番号ルーティング・プラットフォーム](/colt-docs/ja/datasheets/yin-sheng/interijentortingupurattofmu.md)
* [SIPトランキング](/colt-docs/ja/datasheets/yin-sheng/siptorankingu.md)
* [ISDNサービス](/colt-docs/ja/datasheets/yin-sheng/isdnsbisu.md)


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