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Before the Dawn of IP Telephony - Part 9
What awaited us after the presentation
These contents translated a serialization article carried by ITPro IP telephony ONLINE published by Nikkei Business Publications, Inc. Jump to the original (Japanese).
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Among offices, however, there is the need to effectively use narrow band. Hence, the use of various methods was recommended depending on the signal attribute (Fig. 2).

Fig. 2 Excerpt from ISS lecturing materials
Since the bandwidth among offices is narrow, various efforts are needed.
The latter concept of effectively utilizing narrow band among offices is the base for the VoIP gateway concept, and the former concept of utilizing broadband within an office ties in with the concept of IP-PBX extension. VoIP gateway has already been commercialized with BS1100-VOICEHUB, employing the VoIP technology of narrow band introduced in Part 6.
Later, IP-PBX is commercialized in 2000 as "IPstage." OKI developed two types of VoIP technologies for broadband and narrow band, and we firmly believe that these technical assets will change in various shapes to provide superior sound. But that will be introduced later.
Following events
By the above explanation, we were somehow able to convince in-house members that our presentation was not intended to deny devices geared toward telecommunication devices, which was the main pillar of our business. Even so, our attempt to make major reform by integrating information with the world of communication remains unchanged.

Photo 2 Operations Dept. Manager Harushige Sugimoto
People such as Operations Department Manager Sugimoto (photo 2) that promoted the business of VOICEHUB by adopting "integration of information and communication" as the slogan during 1997 are a rare breed. When looking at the entire Communication Operations Department, the intention of actively promoting VoIP was basically non-existent.
In April 1998, nearly six months later following the presentation at ISS, something incredibly innovative for me and even OKI occurred.
... To be continued