Not all keyboard based characters are supported by the mobile networks’ protocol for SMS, so here is a list of the GSM alphabet characters which are supported.

NB: GSM stands for Global System for Mobile Communications, and refers to the most frequently used alphabet used to write text messages.

As a general rule if you send an unsupported character, it will appear on a handset as the Latin character without the accent; so á will appear as a.

If you need to send as any other character then you can send your message as Unicode, but this will cost more characters.

 

Hex*	Decimal*	Character Name	Supported Character
0x00	0	COMMERCIAL AT	@
0x01	1	POUND SIGN	£
0x02	2	DOLLAR SIGN	$
0x03	3	YEN SIGN	¥
0x04	4	LATIN SMALL LETTER E WITH GRAVE	è
0x05	5	LATIN SMALL LETTER E WITH ACUTE	é
0x06	6	LATIN SMALL LETTER U WITH GRAVE	ù
0x07	7	LATIN SMALL LETTER I WITH GRAVE	ì
0x08	8	LATIN SMALL LETTER O WITH GRAVE	ò
0x09	9	LATIN CAPITAL LETTER C WITH CEDILLA	Ç
0x0A	10	LINE FEED
0x0B	11	LATIN CAPITAL LETTER O WITH STROKE	Ø
0x0C	12	LATIN SMALL LETTER O WITH STROKE	ø
0x0D	13	CARRIAGE RETURN
0x0E	14	LATIN CAPITAL LETTER A WITH RING ABOVE	Å
0x0F	15	LATIN SMALL LETTER A WITH RING ABOVE	å
0x10	16	GREEK CAPITAL LETTER DELTA	Δ
0x11	17	LOW LINE	_
0x12	18	GREEK CAPITAL LETTER PHI	Φ
0x13	19	GREEK CAPITAL LETTER GAMMA	Γ
0x14	20	GREEK CAPITAL LETTER LAMBDA	Λ
0x15	21	GREEK CAPITAL LETTER OMEGA	Ω
0x16	22	GREEK CAPITAL LETTER PI	Π
0x17	23	GREEK CAPITAL LETTER PSI	Ψ
0x18	24	GREEK CAPITAL LETTER SIGMA	Σ
0x19	25	GREEK CAPITAL LETTER THETA	Θ
0x1A	26	GREEK CAPITAL LETTER XI	Ξ
0x1B	27	ESCAPE TO EXTENSION TABLE
0x1B0A	27 10	FORM FEED
0x1B14	27 20	CIRCUMFLEX ACCENT	^
0x1B28	27 40	LEFT CURLY BRACKET	{
0x1B29	27 41	RIGHT CURLY BRACKET	}
0x1B2F	27 47	REVERSE SOLIDUS (BACKSLASH)	\
0x1B3C	27 60	LEFT SQUARE BRACKET	[
0x1B3D	27 61	TILDE	~
0x1B3E	27 62	RIGHT SQUARE BRACKET	]
0x1B40	27 64	VERTICAL BAR	|
0x1B65	27 101	EURO SIGN	€
0x1C	28	LATIN CAPITAL LETTER AE	Æ
0x1D	29	LATIN SMALL LETTER AE	æ
0x1E	30	LATIN SMALL LETTER SHARP S (German)	ß
0x1F	31	LATIN CAPITAL LETTER E WITH ACUTE	É
0x20	32	SPACE
0x21	33	EXCLAMATION MARK	!
0x22	34	QUOTATION MARK	“
0x23	35	NUMBER SIGN	#
0x24	36	CURRENCY SIGN	¤
0x25	37	PERCENT SIGN	%
0x26	38	AMPERSAND	&
0x27	39	APOSTROPHE	‘
0x28	40	LEFT PARENTHESIS	(
0x29	41	RIGHT PARENTHESIS	)
0x2A	42	ASTERISK	*
0x2B	43	PLUS SIGN	+
0x2C	44	COMMA	,
0x2D	45	HYPHEN-MINUS	–
0x2E	46	FULL STOP	.
0x2F	47	SOLIDUS (SLASH)	/
0x30	48	DIGIT ZERO	0
0x31	49	DIGIT ONE	1
0x32	50	DIGIT TWO	2
0x33	51	DIGIT THREE	3
0x34	52	DIGIT FOUR	4
0x35	53	DIGIT FIVE	5
0x36	54	DIGIT SIX	6
0x37	55	DIGIT SEVEN	7
0x38	56	DIGIT EIGHT	8
0x39	57	DIGIT NINE	9
0x3A	58	COLON	:
0x3B	59	SEMICOLON	;
0x3C	60	LESS-THAN SIGN	<
0x3D	61	EQUALS SIGN	=
0x3E	62	GREATER-THAN SIGN	>
0x3F	63	QUESTION MARK	?
0x40	64	INVERTED EXCLAMATION MARK	¡
0x41	65	LATIN CAPITAL LETTER A	A
0x42	66	LATIN CAPITAL LETTER B	B
0x43	67	LATIN CAPITAL LETTER C	C
0x44	68	LATIN CAPITAL LETTER D	D
0x45	69	LATIN CAPITAL LETTER E	E
0x46	70	LATIN CAPITAL LETTER F	F
0x47	71	LATIN CAPITAL LETTER G	G
0x48	72	LATIN CAPITAL LETTER H	H
0x49	73	LATIN CAPITAL LETTER I	I
0x4A	74	LATIN CAPITAL LETTER J	J
0x4B	75	LATIN CAPITAL LETTER K	K
0x4C	76	LATIN CAPITAL LETTER L	L
0x4D	77	LATIN CAPITAL LETTER M	M
0x4E	78	LATIN CAPITAL LETTER N	N
0x4F	79	LATIN CAPITAL LETTER O	O
0x50	80	LATIN CAPITAL LETTER P	P
0x51	81	LATIN CAPITAL LETTER Q	Q
0x52	82	LATIN CAPITAL LETTER R	R
0x53	83	LATIN CAPITAL LETTER S	S
0x54	84	LATIN CAPITAL LETTER T	T
0x55	85	LATIN CAPITAL LETTER U	U
0x56	86	LATIN CAPITAL LETTER V	V
0x57	87	LATIN CAPITAL LETTER W	W
0x58	88	LATIN CAPITAL LETTER X	X
0x59	89	LATIN CAPITAL LETTER Y	Y
0x5A	90	LATIN CAPITAL LETTER Z	Z
0x5B	91	LATIN CAPITAL LETTER A WITH DIAERESIS	Ä
0x5C	92	LATIN CAPITAL LETTER O WITH DIAERESIS	Ö
0x5D	93	LATIN CAPITAL LETTER N WITH TILDE	Ñ
0x5E	94	LATIN CAPITAL LETTER U WITH DIAERESIS	Ü
0x5F	95	SECTION SIGN	§
0x60	96	INVERTED QUESTION MARK	¿
0x61	97	LATIN SMALL LETTER A	a
0x62	98	LATIN SMALL LETTER B	b
0x63	99	LATIN SMALL LETTER C	c
0x64	100	LATIN SMALL LETTER D	d
0x65	101	LATIN SMALL LETTER E	e
0x66	102	LATIN SMALL LETTER F	f
0x67	103	LATIN SMALL LETTER G	g
0x68	104	LATIN SMALL LETTER H	h
0x69	105	LATIN SMALL LETTER I	i
0x6A	106	LATIN SMALL LETTER J	j
0x6B	107	LATIN SMALL LETTER K	k
0x6C	108	LATIN SMALL LETTER L	l
0x6D	109	LATIN SMALL LETTER M	m
0x6E	110	LATIN SMALL LETTER N	n
0x6F	111	LATIN SMALL LETTER O	o
0x70	112	LATIN SMALL LETTER P	p
0x71	113	LATIN SMALL LETTER Q	q
0x72	114	LATIN SMALL LETTER R	r
0x73	115	LATIN SMALL LETTER S	s
0x74	116	LATIN SMALL LETTER T	t
0x75	117	LATIN SMALL LETTER U	u
0x76	118	LATIN SMALL LETTER V	v
0x77	119	LATIN SMALL LETTER W	w
0x78	120	LATIN SMALL LETTER X	x
0x79	121	LATIN SMALL LETTER Y	y
0x7A	122	LATIN SMALL LETTER Z	z
0x7B	123	LATIN SMALL LETTER A WITH DIAERESIS	ä
0x7C	124	LATIN SMALL LETTER O WITH DIAERESIS	ö
0x7D	125	LATIN SMALL LETTER N WITH TILDE	ñ
0x7E	126	LATIN SMALL LETTER U WITH DIAERESIS	ü
0x7F	127	LATIN SMALL LETTER A WITH GRAVE	à

 

*Please don’t worry these columns unless you are a developer; when using Email to SMS, you just need to use the content from the supported character column.