xvi Users Manual
¢éÍÁÙÅâ·Ã¤Á¹Ò¤Á¢Í§¡ÅØèÁ»ÃÐà·ÈÂØâû
(ÊÓËÃѺ¼ÅÔµÀѹ±ì·ÕèÁÕ¡ÒõԴµÑé§âÁà´çÁ·Õèä´éÃѺ¡ÒÃÃѺÃͧâ´Â EU)
¡ÒÃÁÕÊÑ−Åѡɳì áÊ´§¶Ö§¡Ò÷ÕèÍØ»¡Ã³ì¹ÕéµÃ§µÒÁ¢éͺѧ¤ÑºÇèÒ´éÇÂÇÔ·ÂØáÅÐÍØ»¡Ã³ìÊ×èÍÊÒà 1999/5/EC à¤Ã×èͧËÁÒÂ
´Ñ§¡ÅèÒÇÍØ»¡Ã³ì¹ÕéµÃ§µÒÁËÃ×Í´Õ¡ÇèÒÁҵðҹ·Ò§à·¤¹Ô¤µèÍ仹Õé:
CTR 21 Ð ¤ÇÒÁµéͧ¡ÒÃÊÓËÃѺÁҵðҹᾹÂÙâÃà»Õ¹㹡ÒÃàª×èÍÁµè͡Ѻà¤Ã×Í¢èÒÂÊÇÔ·ªìâ·ÃÈѾ·ìÊÒ¸ÒóÐá͹ÒÅçÍ¡ (PSTNs)
ËÃ×Í TE (äÁèÃÇÁºÃÔ¡ÒÃàÊÕ§·Ò§â·ÃÈѾ·ì¢Í§ TE) ·ÕèÁÕ¡ÒÃÃкØã¹à¹çµàÇÔÃì¡ ËÒ¡ÁÕ¨ÐËÁÒ¶֧¡Ò÷ÕèãªéÊÑ−−Ò³ Dual Tone Multi-
Frequency (DTMF)
áÁéÇèÒÍØ»¡Ã³ì¹Õé¨ÐÊÒÁÒöãªéä´é·Ñé§ÊÑ−−Ò³ÅÙ» (pulse) ËÃ×Í DTMF (tone) ¡çä´é áµèÁÕà¾Õ§¡Ò÷ӧҹã¹ÊÑ−−Ò³
DTMF ·ÕèµÃ§µÒÁ¢éͺѧ¤ÑºÊÓËÃѺ¡Ò÷ӧҹµÒÁ»¡µÔ ¨Ö§á¹Ð¹ÓãËéµÑ駤èÒÍØ»¡Ã³ìãËéãªéÊÑ−−Ò³ DTMF à¾×èÍ
à¢éÒãªé§Ò¹ºÃÔ¡Òéءà©Ô¹ÊÒ¸ÒóÐËÃ×ÍÊèǹµÑÇ ÊÑ−−Ò³ DTMF ÂѧªèÇÂãËé¡ÒõÑ駤èÒ¡ÒÃâ·Ã·Óä´éàÃçÇ¢Öé¹´éÇÂ
ÍØ»¡Ã³ì¹ÕéµÃ§µÒÁ¢éͺѧ¤Ñº¢Í§¤³Ð¡ÃÃÁÒ¸Ô¡ÒþԨÒÃ³Ò 98/482/EEC "CTR 21" ÊÓËÃѺᾹÂÙâÃà»Õ¹ à¡ÕèÂǡѺÍØ»¡Ã³ì
·ÕèÁÕ¡ÒÃàª×èÍÁµè͡Ѻ Public Switched Telephone Network (PSTN)
ÍÂèÒ§äáçµÒÁ à¹×èͧ¨Ò¡¤ÇÒÁᵡµèÒ§ÃÐËÇèÒ§ PSTN ·ÕèÁÕã¹áµèÅлÃÐà·È ¡ÒÃÃѺÃͧ¹Õé¨Ö§äÁèÃѺ»ÃСѹ¡Ò÷ӧҹä´é¡Ñº·Ø¡æ
PSTN ËÒ¡à¡Ô
´»Ñ−ËÒ ¤Ø³¤ÇõԴµèͺÃÔÉÑ·¼Ùé¼ÅÔµà¾×èÍ¢ÍÃѺ¤ÇÒÁªèÇÂàËÅ×ͷҧ෤¹Ô¤
To Next Page
Loading...
