| 밡 ڵ ' ѱ ߴٸ ?' ش ִ ڳԴϴ. ߱ 밡 ֿ ǥ Ұմϴ.
ø " ϶"Ʈ ø Ư ߵ Ʈ 밡. װ ϴ ̹ Ŀ ݵ ȸ 6 ֽĵ鸸 ϵ ִ. Դٰ ø 6 Ʈ ԽŰ Ѵ. ״ 庸 鼭 ְ(PER) ȸ縦 ã´.
ø 忡 ͷ ֽĵ κ ִٰ Ѵ. ״ ŷ ֽ ã Ȱ ŷ ֽ ִ ȮѴ. ø ȸ纸ٴ ü Ѵ.
ø '̾'
ø ְ(PER) ȣѴ. , ͷ 2% ̻̰, 繫 ä 150% ߴ.
̾ ø ϴ ϳ. 2б ȯ(ֱ 4б ջ) (25) PER 8.6 (www.itooza.com) PER 13.6躸 . ̾ 3 7 ~ 9 2б شѴ. ȸ 3б(10 ~ 12) ǥ ʾҴ.
2б ä 36% 150% ϸ, ͷ 3.89% 2% ̻ Ѵ.
ڴ ðѾ հ踦 հ(ڱ ) PER Ѵ. ӱ ̴.
̾ 1999 2007 ڽڿ ַ ü. ֿ IP Telephony(IPT), ݼ ȯý ̴ַ. (Nortel Networks) ý(CISCO) ǰ 䱸 ϴ ַ Ѵ. ݱ üͿ ַ 46%, 23%, IPT 22%.
IPT IP(ͳ ) ȭý̴. ȭ ȭ ۽, ý۰ 谡 ϴ. , ȭȸ Ŀ ִ. ̿ ý ȭȸ Ŀ IPT ȯϴ .
̾ Ը , ' ' 鿡 . ȸ װ , 2010 (2010 4 ~ 2011 3) ų ߴ. 2б ȯ (643) (555), (49) 10ⷡ ̴ִ. IPT ȯ ۾ δ.
ݼ ڻ굵 ̸ . ̾ ִ 2010 ȸ迬 ų 2014 220 ߴ. 2014 ִݰ ͷ 3.87%.
ȸ ڻ(ݹݼڻ + ܱڻ - Ա) Ÿ´. 2007 133 9 201 þ. ֱ б ڻ ðѾ 48% شѴ.
, 2б ȸ 59200 12% Ͱ ̷. ȯüս پ.
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